The electric potentials at points P1 and P2 are V1 and V2 respectively. A point electric charge - q is brought from P1 to P2 by an external agent . What is the work done on the charge.
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Answer:
Given : q=0.05C V
A
=200V V
B
=100V
As the electric field is an conservative field, thus the work done in moving a charge from one point to another is path independent.
∴ W
BA
=q(V
A
−V
B
)=0.05(200−100)=5 J
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