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Question

When a 2μC charge is carried from point A to point B, the amount of work done by the electric field is 50 μJ. What is the potential difference and which point is at a higher potential?
  1. Both are at same potential
  2. 25 V,A
  3. 20 V,B
  4. 25 V,B

A
25 V,B
B
20 V,B
C
Both are at same potential
D
25 V,A
Solution
Verified by Toppr

Work done by electric field to carry charge from A to B Weq=q(VAVB)
or 50×106=2×106(VAVB)
or VAVB=25V
The answer is positive thus A is at higher potential.

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