Question 34: NCERT Solutions for 12th Class Physics: Chapter 2-Electrostatic Potential and Capacitance

Question

Nilima NilimaEnlightened

Asked: March 29, 20222022-03-29T05:27:42+00:00 2022-03-29T05:27:42+00:00In: Physics

Describe schematically the equipotential surfaces corresponding to

A constant electric field in the z-direction.
a field that uniformly increases in magnitude but remains in a constant (say, z) direction.
a single positive charge at the origin, and
a uniform grid consisting of long equally spaced parallel charged wires in a plane.

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Nilima Nilima · Answer 1 · 2022-03-29T05:31:24+00:00

Solution:

Planes parallel to x-y plane or normal to the electric field in z-direction.
Planes parallel to x-y plane or normal to the electric field in z-direction, but the planes having different fixed potentials will become closer with increase in electric field intensity.
Concentric spherical surfaces with their centres at origin.
A time dependent changing shape nearer to grid, and at far off distances from the grid, it slowly becomes planar and parallel to the grid.

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