The diagrams below show regions of equipotential. A positive charge is moved from A to B in each diagram.

The diagrams below show regions of equipotential.

A positive charge is moved from A to B in each diagram.

  1. Maximum work is required to move q in figure (c).
  2. In all the four cases the work done is the same.
  3. Minimum work is required to move q in figure (a).
  4. Maximum work is required to move q in figure (b).

Solution

Work done, W=qΔV.
ΔV is same in all the cases so work is done will be same in all the cases.

Asked in: NEET 2017

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