Numerical Problem No. 13.6 (Electrostatics) Physics SSC - II (Class 10)

A point charge of +2C is transferred from a point at potential 100V to a point at potential 50V. What would be the energy supplied by the charge? Ans. (100 J)

Given Data:

Magnitude of point Charge = q = +2 C

Potential at point A = VA = 100 V

Potential at point B = VB = 50 V

To Find:

Energy supplied by the charge = E = ?

Solution:

By using the formula 

E = q (VA - VB )

by putting values

E = 2 C ( 100 V - 50 V)

E = 2 C ( 50 V)

E = 100 CV

E = 100 J ----------------Ans.

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