Greetings, dedicated educators-to-be! As you gear up
for the Haryana Teacher Eligibility Test (HTET) 2023, it's crucial to have a
solid foundation in physics, and one of the fundamental concepts you'll
encounter is the "Electric Field." The electric field is a
cornerstone in the realm of physics and plays a pivotal role in understanding
electricity and its applications. In this MCQ-based guide, we're embarking on a
journey to demystify the concept of the electric field. We'll equip you with
the knowledge and confidence to tackle HTET 2023 questions related to this
topic. Let's dive in and spark your mastery of the electric field!
1.
What
is the electric field strength at a point in space?
a) The
force experienced by a positive test charge placed at that point
b) The
charge at that point
c) The
potential energy at that point
d) The
velocity of charged particles at that point
2.
Which
of the following quantities is measured in volts per meter (V/m)?
a) Electric
potential
b) Electric
field strength
c) Electric
charge
d) Electric
flux
3.
According
to Coulomb's law, how does the magnitude of the electric field intensity
between two point charges change as the distance between them increases?
a) It
increases
b) It
decreases
c) It
remains constant
d) It
becomes zero
4.
The
electric field lines near a positively charged object:
a) Point
away from the object
b) Point
towards the object
c) Are
parallel to the object's surface
d) Do
not exist near the object
5.
Which
of the following materials is a good conductor of electricity?
a) Rubber
b) Glass
c) Copper
d) Plastic
6.
If
two charges of +2C and -3C are placed 1 meter apart, what is the magnitude of
the electric field between them?
a) 5
N/C
b) 0.5
N/C
c) 1
N/C
d) 2
N/C
7.
What
is the direction of the electric field inside a hollow charged conductor?
a) It
points toward the center of the conductor
b) It
points away from the center of the conductor
c) It
is zero
d) It
depends on the charge of the conductor
8.
Which
of the following factors does NOT affect the strength of the electric field
around a point charge?
a) The
distance from the point charge
b) The
magnitude of the point charge
c) The
size of the point charge
d) The
presence of other charges nearby
9.
When
a positive test charge is moved in the direction of the electric field, what
happens to its electric potential energy?
a) It
decreases
b) It
increases
c) It
remains constant
d) It
becomes zero
10. What is the SI unit of electric
field strength?
a) Coulomb
(C)
b) Volt
(V)
c) Newton
(N)
d) Volt
per meter (V/m)
11. Which fundamental law governs the
behavior of electric fields between charged particles?
a) Newton's
Law of Gravitation
b) Coulomb's
Law
c) Ohm's
Law
d) Boyle's
Law
12. If a negative charge is placed in
an electric field and experiences a force in the opposite direction of the
field, what can you conclude about the electric field's direction?
a) It
points toward the negative charge.
b) It
points away from the negative charge.
c) It
points toward the positive charge.
d) It
points away from the positive charge.
13. What happens to the electric field
strength between two point charges when the magnitude of one charge is doubled
while keeping the distance between them constant?
a) The
electric field strength doubles.
b) The
electric field strength quadruples.
c) The
electric field strength remains the same.
d) The
electric field strength is halved.
14. In which direction does an electron
move when placed in an electric field?
a) Opposite
to the direction of the electric field
b) In
the direction of the electric field
c) Perpendicular
to the electric field
d) It
remains stationary
15. Which of the following is a scalar
quantity related to electric fields?
a) Electric
potential energy
b) Electric
force
c) Electric
charge
d) Electric
flux
16. When is the electric field the
strongest around a point charge?
a) At
a very close distance from the charge
b) At
an intermediate distance from the charge
c) At
a very far distance from the charge
d) The
electric field strength is the same at all distances from the charge.
17. What is the electric field inside a
charged parallel plate capacitor with a constant electric potential difference
between the plates?
a) Zero
b) Non-uniform
c) Uniform
d) Variable
18. Which of the following materials is
an insulator with very low electrical conductivity?
a) Silver
b) Aluminum
c) Wood
d) Copper
19. How does the electric field
intensity due to a point charge change as you move away from the charge?
a) It
increases linearly with distance.
b) It
decreases linearly with distance.
c) It
increases exponentially with distance.
d) It
remains constant with distance.
20. What is the relationship between the electric field and the electric potential at a point in space?
a) Electric field is the gradient of electric potential.
b) Electric potential is the gradient of electric field.
c) Electric field and electric potential are unrelated.
d) Electric field is the integral of electric potential.
21. What is the unit of electric flux?
a) Coulomb (C)
b) Volt (V)
c) Newton (N)
d) Volt-meter (V·m)
22. Which of the following statements about equipotential surfaces is correct?
a) The electric field is always perpendicular to equipotential surfaces.
b) The electric potential is highest at the points closest to the charge.
c) Equipotential surfaces are always concentric spheres around a point charge.
d) Equipotential surfaces cannot exist in electric fields.
23. In which direction do electric field lines point inside a uniformly charged spherical conductor?
a) Radially inward
b) Radially outward
c) Tangentially along the surface
d) They do not exist inside a conductor.
24. What is the electric field at the center of a uniformly charged spherical conductor?
a) Zero
b) Non-zero but varies with distance
c) Equal to the charge divided by the radius
d) Infinite
25. Which of the following materials is a semiconductor?
a) Copper
b) Silicon
c) Aluminum
d) Gold
26. When a positive charge is moved in the direction of the electric field, what happens to its electric potential energy?
a) It decreases
b) It increases
c) It remains constant
d) It becomes zero
27. Which law states that the total electric flux through a closed surface is equal to the total charge enclosed by the surface divided by the permittivity of free space?
a) Ampere's Law
b) Gauss's Law
c) Faraday's Law
d) Coulomb's Law
28. What happens to the electric field strength between two charges when the distance between them is tripled?
a) It triples
b) It becomes one-third
c) It becomes nine times weaker
d) It remains the same
29. What is the direction of the electric field lines outside a positively charged spherical conductor?
a) Radially inward
b) Radially outward
c) Tangentially along the surface
d) They do not exist outside a conductor.
30. What is the SI unit of electric charge?
a) Ampere (A)
b) Volt (V)
c) Coulomb (C)
d) Ohm (Ω)
31. Which of the following statements is true about the electric field due to a point charge?
a) It is always attractive.
b) It is always repulsive.
c) It is attractive for positive charges and repulsive for negative charges.
d) It is always zero.
32. What is the electric field strength at a point located 2 meters away from a point charge of +5 microcoulombs?
a) 10 N/C
b) 2.5 N/C
c) 5 N/C
d) 1.25 N/C
33. If you double the distance between two point charges while keeping their magnitudes constant, how does the electric field strength between them change?
a) It becomes half.
b) It becomes double.
c) It becomes four times stronger.
d) It remains the same.
34. What is the direction of the electric field at a point on the axis of a uniformly charged ring?
a) Radially inward
b) Radially outward
c) Tangential to the ring
d) Parallel to the axis
35. Which of the following factors does NOT affect the strength of the electric field between two charged objects?
a) The distance between the objects
b) The charge of one of the objects
c) The charge of both objects
d) The temperature of the objects
36. What is the electric field strength inside a hollow conducting sphere with a charge placed at its center?
a) Zero
b) Non-zero, but it depends on the charge distribution
c) Equal to the charge divided by the radius
d) Varies with distance from the center
37. Which type of material allows electrons to move freely and conduct electricity effectively?
a) Insulator
b) Conductor
c) Semiconductor
d) Superconductor
38. What is the relationship between electric field and electric potential at a point?
a) Electric field is the derivative of electric potential.
b) Electric field is the integral of electric potential.
c) Electric field is the negative gradient of electric potential.
d) Electric field is the negative of electric potential.
39. What happens to the electric field between two point charges if both charges are doubled in magnitude while keeping the distance between them constant?
a) The electric field strength becomes half.
b) The electric field strength becomes four times stronger.
c) The electric field strength remains the same.
d) The electric field strength becomes twice as strong.
40. Which law states that the force between two point charges is directly proportional to the product of their charges and inversely proportional to the square of the distance between them?
a) Ampere's Law
b) Coulomb's Law
c) Ohm's Law
d) Gauss's Law
41. What is the direction of the electric field between two parallel plates in a uniform electric field?
a) Perpendicular to the plates
b) Parallel to the plates
c) Radially inward
d) Radially outward
42. Which of the following is a correct unit for electric field strength (E)?
a) Coulombs (C)
b) Volts (V)
c) Newtons per square meter (N/m²)
d) Farads (F)
43. What is the relationship between the magnitude of the electric field (E) and the magnitude of the electric force (F) experienced by a test charge (q) placed in the field?
a) E = F/q
b) F = Eq
c) E = q/F
d) F = E/q
44. In a vacuum, what is the value of the permittivity of free space (ε₀)?
a) 9.8 m/s²
b) 8.85 x 10⁻¹² C²/Nm²
c) 3 x 10⁸ m/s
d) 6.67 x 10⁻¹¹ Nm²/kg²
45. When a positive charge is moved against the direction of the electric field, what happens to its electric potential energy?
a) It decreases
b) It increases
c) It remains constant
d) It becomes zero
46. What is the electric field inside a charged spherical shell (hollow conductor)?
a) Zero
b) Non-zero but uniform
c) Non-zero and non-uniform
d) Varies with the thickness of the shell
47. Which of the following materials is known for its superconducting properties at very low temperatures?
a) Copper
b) Aluminum
c) Silicon
d) Mercury
48. What is the electric field strength at the surface of a charged conductor?
a) Zero
b) Non-zero but constant
c) Varies with the shape of the conductor
d) Varies with the charge on the conductor
49. According to Gauss's Law, the electric flux through a closed surface is equal to:
a) The total charge enclosed by the surface divided by the permittivity of free space
b) The surface area of the closed surface
c) The radius of the closed surface
d) The electric field strength at the center of the closed surface
50. What is the SI unit of electric potential?
a) Ampere (A)
b) Coulomb (C)
c) Volt (V)
d) Ohm (Ω)
51. What is the SI unit of electric potential difference?
a) Ampere (A)
b) Volt (V)
c) Coulomb (C)
d) Ohm (Ω)
52. What is the direction of the electric field inside a charged capacitor?
a) Radially inward
b) Radially outward
c) Between the plates
d) Along the axis of the capacitor
53. What is the relationship between the electric field and electric potential difference between two points in an electric field?
a) Electric field is equal to electric potential difference.
b) Electric field is the derivative of electric potential difference.
c) Electric field is the integral of electric potential difference.
d) Electric field is the negative gradient of electric potential difference.
54. If you double the magnitude of a point charge while keeping its location constant, how does the electric field strength at a certain distance from the charge change?
a) It becomes half.
b) It doubles.
c) It remains the same.
d) It depends on the distance.
55. Which of the following materials is a good example of a semiconductor?
a) Copper
b) Aluminum
c) Silicon
d) Gold
56. According to Coulomb's law, what is the relationship between the force (F) between two point charges, the charges (q1 and q2), and the distance (r) between them?
a) F ∝ q1 × q2
b) F ∝ q1 / q2
c) F ∝ 1 / r
d) F ∝ r²
57. What is the electric field strength due to a point charge at a distance "r" from the charge?
a) E = kq / r²
b) E = kq / r
c) E = kq² / r
d) E = kq³ / r²
58. In a uniform electric field, the electric field lines are:
a) Equidistant
b) Parallel and equally spaced
c) Radially outward
d) Randomly oriented
59. Which law relates the electric field, charge distribution, and electric flux through a closed surface?
a) Gauss's Law
b) Ohm's Law
c) Ampere's Law
d) Coulomb's Law
60. What is the SI unit of electric charge density?
a) Coulomb (C)
b) Volt (V)
c) Farad (F)
d) Coulomb per square meter (C/m²)
61. What is the electric field inside a charged spherical conductor that is not uniformly charged?
a) Zero
b) Non-zero but uniform
c) Non-zero and non-uniform
d) Varies with the radius of the conductor
62. When an electron moves in the direction opposite to the electric field, what happens to its electric potential energy?
a) It decreases
b) It increases
c) It remains constant
d) It becomes zero
63. Which of the following quantities does NOT depend on the charge of an object?
a) Electric field strength
b) Electric potential
c) Electric force
d) Electric charge density
64. What is the direction of the electric field due to a negatively charged particle at a point in space?
a) Away from the particle
b) Toward the particle
c) Tangential to the particle's path
d) Along the axis of motion of the particle
65. If the electric field at a point in space is zero, what can you conclude about the electric potential at that point?
a) It is zero
b) It is positive
c) It is negative
d) It is infinite
66. Which of the following is an example of an insulator?
a) Copper
b) Aluminum
c) Rubber
d) Silver
67. What is the relationship between electric field and electric potential in a region with a constant electric field?
a) Electric field is the integral of electric potential.
b) Electric field is the gradient of electric potential.
c) Electric field is the negative gradient of electric potential.
d) Electric field is the negative of electric potential.
68. When two point charges of equal magnitude but opposite sign are brought closer to each other while maintaining a constant distance between them, what happens to the electric field at that point?
a) It doubles in strength
b) It becomes zero
c) It halves in strength
d) It remains the same
69. Which law relates the electric field and charge distribution for a closed surface that contains no net charge?
a) Ampere's Law
b) Gauss's Law
c) Ohm's Law
d) Faraday's Law
70. What is the SI unit of electric dipole moment?
a) Coulomb-meter (C·m)
b) Newton (N)
c) Farad (F)
d) Volt-meter (V·m)
71. What is the electric field inside a uniformly charged spherical conductor?
a) Zero
b) Non-zero but constant
c) Non-zero and non-uniform
d) Varies with the radius of the conductor
72. Which of the following statements about electric potential is correct?
a) Electric potential is a vector quantity.
b) Electric potential is always positive.
c) Electric potential depends on the charge of a test particle.
d) Electric potential is a scalar quantity.
73. What happens to the electric field strength between two point charges if the distance between them is increased by a factor of 3?
a) It becomes one-third as strong.
b) It becomes three times as strong.
c) It becomes nine times as strong.
d) It remains the same.
74. Which of the following materials is an example of a superconductor at low temperatures?
a) Aluminum
b) Copper
c) Iron
d) Mercury
75. According to Gauss's Law, the electric flux through a closed surface is directly proportional to what property?
a) The electric field strength at any point on the surface.
b) The surface area of the closed surface.
c) The radius of the closed surface.
d) The distance between charges enclosed by the surface.
76. When a negative charge is moved in the direction opposite to the electric field, what happens to its electric potential energy?
a) It decreases
b) It increases
c) It remains constant
d) It becomes zero
77. Which law states that the electric field between two charges is inversely proportional to the square of the distance between them?
a) Ampere's Law
b) Gauss's Law
c) Ohm's Law
d) Coulomb's Law
78. In a uniform electric field, how are the equipotential surfaces oriented with respect to the field lines?
a) Parallel to the field lines
b) Perpendicular to the field lines
c) Radially outward from a point charge
d) Tangential to a charged surface
79. What is the electric field strength due to a point charge inversely proportional to?
a) The square of the charge's magnitude
b) The distance from the charge
c) The permittivity of free space
d) The charge's potential energy
80. Which law relates the magnetic field around a closed loop to the electric current passing through the loop?
a) Ampere's Law
b) Gauss's Law
c) Faraday's Law
d) Coulomb's Law
81. What is the electric field inside a charged spherical shell (hollow conductor)?
a) Zero
b) Non-zero but uniform
c) Non-zero and non-uniform
d) Varies with the radius of the shell
82. What is the electric potential energy of a positive charge placed in an electric field?
a) Always positive
b) Always negative
c) Can be positive or negative depending on the field direction
d) Always zero
83. Which of the following statements is true about electric potential difference?
a) It is a vector quantity.
b) It depends on the path taken between two points.
c) It is always positive.
d) It is the same between any two points in an electric field.
84. If the distance between two point charges is doubled while keeping their magnitudes constant, what happens to the electric field strength between them?
a) It becomes half.
b) It becomes double.
c) It becomes four times weaker.
d) It remains the same.
85. Which of the following materials is a good conductor of electricity?
a) Wood
b) Rubber
c) Copper
d) Plastic
86. According to Gauss's Law, the electric flux through a closed surface is equal to:
a) The total charge enclosed by the surface divided by the permeability of free space.
b) The total charge enclosed by the surface divided by the permittivity of free space.
c) The surface area of the closed surface.
d) The radius of the closed surface.
87. What is the direction of the electric field due to a positively charged particle at a point in space?
a) Away from the particle
b) Toward the particle
c) Tangential to the particle's path
d) Along the axis of motion of the particle
88. Which law relates the circulation of the electric field around a closed loop to the rate of change of magnetic flux through the loop?
a) Ampere's Law
b) Gauss's Law
c) Faraday's Law
d) Coulomb's Law
89. When a negative charge is moved in the direction of the electric field, what happens to its electric potential energy?
a) It decreases
b) It increases
c) It remains constant
d) It becomes zero
90. What is the SI unit of electric charge density?
a) Coulomb (C)
b) Volt (V)
c) Farad (F)
d) Coulomb per square meter (C/m²)
91. What is the electric field strength inside a uniformly charged infinite plane sheet of charge?
a) Zero
b) Non-zero and uniform
c) Non-zero and non-uniform
d) Varies with the distance from the sheet
92. Which of the following statements about electric potential is correct?
a) Electric potential is always negative.
b) Electric potential is always zero at a point.
c) Electric potential is the same for all points in an electric field.
d) Electric potential depends on the charge distribution.
93. What is the electric field strength between two parallel plates with a potential difference of 100 volts across them and a separation distance of 0.01 meters?
a) 100 N/C
b) 10 N/C
c) 1 N/C
d) 0.1 N/C
94. When a positive charge is moved along the direction of the electric field, what happens to its electric potential energy?
a) It decreases
b) It increases
c) It remains constant
d) It becomes zero
95. What is the relationship between the electric field and electric potential in a region with a constant electric field?
a) Electric field is the derivative of electric potential.
b) Electric field is the integral of electric potential.
c) Electric field is the negative gradient of electric potential.
d) Electric field is unrelated to electric potential.
96. Which law relates the magnetic field induced around a closed loop to the rate of change of electric field through the loop?
a) Ampere's Law
b) Gauss's Law
c) Faraday's Law
d) Coulomb's Law
97. What is the direction of the electric field due to a negatively charged particle at a point in space?
a) Away from the particle
b) Toward the particle
c) Tangential to the particle's path
d) Along the axis of motion of the particle
98. In a uniform electric field, how are the equipotential surfaces oriented with respect to the field lines?
a) Parallel to the field lines
b) Perpendicular to the field lines
c) Radially outward from a point charge
d) They do not exist in a uniform field.
99. Which of the following quantities depends on the charge of an object?
a) Electric field strength
b) Electric potential
c) Electric force
d) Electric flux
100. What is the SI unit of electric flux?
a) Coulomb (C)
b) Volt (V)
c) Newton (N)
d) Volt-meter (V·m)
In conclusion, the electric field is an
indispensable concept in physics, with applications that extend far beyond the
classroom. It's not only essential for your success in HTET 2023 but also for
your future as an educator. The MCQs provided in this guide are designed to
assess your knowledge, pinpoint areas for improvement, and ultimately boost
your confidence on exam day. To excel, practice consistently, explore
additional resources, and stay committed to your preparation. With the right
approach, you can conquer the electric field and increase your chances of
excelling in HTET 2023. Best of luck on your journey to becoming a teacher who
empowers the next generation with knowledge!
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