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Question
The work done in carrying a charge of 5μC from a point A to a point B in an electric field is 10mJ.  The potential difference (VBVA) is
Options:
A .  + 2kV
B .  - 2 kV
C .  + 200 V
D .  - 200 V
Answer: Option A
:
A
Work done W=Q(VBVA)(VBVA)=WQ=10×1035×106J/C=2kV

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