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A film of water is formed between two...

A film of water is formed between two straight parallel wires of length 10 cm with separation of 0.5 cm . The work done to increase the separation by 0.1 cm is (S.T=0.070 N/m)

A

`14xx10^(-6)` J

B

`16xx10^(-6)`J

C

`18xx10^(-6)` J

D

`12xx10^(-6)` J

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The correct Answer is:
A
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