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Question

A charge of 109C moves from X to Z. Find the work done by the electric field due to the charge Q=2C in moving the charge from X to Z. The value of coulomb's constant is 9×109Nm2C2.
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  1. 0J
  2. 560J
  3. 300J
  4. 150J
  5. 1,000J

A
0J
B
300J
C
150J
D
1,000J
E
560J
Solution
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Here the potential energy at X and at Z , both are same so the change is potential energy will be zero. Since the work is the change in potential energy so the work done will be zero.

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