Coulomb’s Law (Forces Between Two Point Charges, Forces Between Multiple Charges... ) NEET Questions

Physics - Electrostatics

Coulomb’s Law (Forces Between Two Point Charges, Forces Between Multiple Charges... ) MCQ Questions


7.
If the distance between two charges is reduced to half, the electrostatic force between them:
A.
Decreases four times
B.
Increases four times
C.
Doubles
D.
Halves
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ANSWER :
B. Increases four times
8.
The superposition principle is valid for:
A.
Linear systems only
B.
Non-linear systems
C.
Both linear and non-linear systems
D.
Only for gravitational forces
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ANSWER :
A. Linear systems only
9.
A uniformly charged spherical shell exerts a force on a charge placed:
A.
Only outside the shell
B.
Only on the surface of the shell
C.
At the center of the shell
D.
Nowhere inside the shell
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ANSWER :
D. Nowhere inside the shell
10.
In a continuous charge distribution, charge is:
A.
Absent in the interior of the object
B.
Always concentrated at a point
C.
Present only on the surface
D.
Distributed over a length, area, or volume
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ANSWER :
D. Distributed over a length, area, or volume
11.
If three charges are placed in a line, the net force on the middle charge is:
A.
Infinite
B.
The difference of forces due to the other two charges
C.
Zero
D.
The sum of forces due to the other two charges
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ANSWER :
D. The sum of forces due to the other two charges
12.
Two charges are placed at a certain distance. If the medium between them is changed from air to water, the force between them:

NEET - 2023

A.
Increases
B.
Decreases
C.
Remains unchanged
D.
Becomes zero
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ANSWER :
B. Decreases