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For a post office box, the graph of galv...

For a post office box, the graph of galvanometer deflection versus (R ) (resistance pulled out of resistance box) for the ratio `100:1 ` is given as shown. Find the value of unknown resistance.
.

A

3.2 ohm

B

3.24 ohm

C

3.206 ohm

D

3.26 ohm

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The correct Answer is:
B
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