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Shown in figure is a Post Office box. In...

Shown in figure is a Post Office box. In order to calculate the value of external resistance, it should be connected between

A

`B'and C'`

B

`A andD`

C

`C and D`

D

`B and D`

Text Solution

Verified by Experts

The correct Answer is:
B
b. Total external resistance will be the total resistance of whole
length of the box. It should be connected between A and D.
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