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Question: Answered & Verified by Expert
On moving a charge of 20 coulombs by $2 \mathrm{~cm}, 2 \mathrm{~J}$ of work is done, then the potential difference between the points is
PhysicsElectrostaticsJEE MainJEE Main 2002
Options:
  • A
    0.1 V
  • B
    8 V
  • C
    2 V
  • D
    0.5 V
Solution:
2968 Upvotes Verified Answer
The correct answer is:
0.1 V
$$
\mathrm{W}=\mathrm{qV} \Rightarrow \mathrm{V}_{\mathrm{A}}-\mathrm{V}_{\mathrm{B}}=2 / 20=0.1 \mathrm{~V}
$$
Here $W$ is the work done in moving charge $q$ from point $A$ to $B$

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