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OpenStudy (anonymous):
The potential at a point is 20 V. The work done in bringing a charge of 2 C from infinity to this point will be a 10 J b 40 J c 5 J d 20 J
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OpenStudy (ajprincess):
potential=work/charge work=potential*charge =20*2
OpenStudy (anonymous):
at infinity potential is zero volt. so change in potential* charge is the work done So (20-0)*2=40J is the answer:)
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