Electrostatic Potential and Capacitance Test

Result

Electrostatic Potential and Capacitance Test - 19

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Question 1
1 / -0

Coulombian force is a

A
Central force

B
Electrical force

C
Both a and b

D
None of these

Solution

Coulomb force also called electrostatic force or Coulomb interaction, attraction or repulsion of particles or objects because of their electric charge.

The electric force is operative between charges down to distances of at least 10⁻¹⁶ metre, or approximately one-tenth of the diameter of atomic nuclei.
Question 2
1 / -0

If the uniform electric field exists along x-axis then equipotential is along

A
XY -plane

B
XZ -plane

C
YZ -plane

D
Anywhere

Solution

If the uniform electric field will exist along x-axis then the equipotential surface will exist parallel to the y-z plane i.e. the planes that are normal to the x-axis.

An equipotential surface is a surface that comprises same electric potential at every point. Besides, the electric field is always perpendicular to it.