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In the given circuit, the galvanmeter G ...

In the given circuit, the galvanmeter `G` will show zero deflection if

A

`R_(1) R_(2) = R_(3) R_(4)`

B

`R_(1) R_(3) = R_(2) R_(4)`

C

`R_(1) R_(4) = R_(2) R_(3)`

D

galvanometer can't have zero current for any relation between the resistances

Text Solution

Verified by Experts

The correct Answer is:
B
(b) Equivalent circuit
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