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Wheatstone Bridge

In a Wheatsto...

Question

In a Wheatstone bridge the four arms have each a resistance of 50 ohm. The galvanometer current is :

A

Zero

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B

1A

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C

2A

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D

1.8A

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Solution

The correct option is A Zero
According to the Wheatstone Bridge theorem, if $\frac{R_{1}}{R_{2}} = \frac{R_{3}}{R_{4}}$ , then no current flows through Galvanometer.

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