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Help me on doing the questions please and also thanks in advance for answering my problem.

Help me on doing the questions please and also thanks in advance for answering my problem.

Question Image
Grade:12

1 Answers

Vikas TU
14148 Points
one year ago
E = 2k*Lambda /r 
W = -q integration from r1 to r2  E.dr 
W = 2kq*Lambda ln(r1/r2)
W = 2kq*Lambda ln(3a/2a)
Hence option A is correct.
Good Luck 

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