Electric Field and Potential NDA Questions

NDA Physics

Electric Field and Potential MCQ Questions


1.
What is the SI unit of electric field?
A.
Newton (N)
B.
Volt per meter (V/m)
C.
Joule (J)
D.
Coulomb (C)
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ANSWER :
B. Volt per meter (V/m)
2.
Which of the following describes the electric field around a positive point charge?
A.
Radial and inward
B.
Radial and outward
C.
Circular and inward
D.
Circular and outward
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ANSWER :
B. Radial and outward
3.
What is the SI unit of electric potential?
A.
Newton (N)
B.
Coulomb (C)
C.
Volt (V)
D.
Joule (J)
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ANSWER :
C. Volt (V)
4.
What happens to the electric field strength as the distance from a point charge increases?
A.
It increases
B.
It decreases
C.
It remains constant
D.
It becomes zero
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ANSWER :
B. It decreases
5.
Which quantity measures the work done per unit charge in moving a charge from one point to another in an electric field?
A.
Electric field
B.
Electric potential
C.
Electric flux
D.
Electric current
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ANSWER :
B. Electric potential
6.
Which law is used to calculate the electric field due to a point charge?
A.
Ohm's Law
B.
Coulomb's Law
C.
Faraday's Law
D.
Kirchhoff's Law
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ANSWER :
B. Coulomb's Law