Question

In a meter bridge set up, which of the following should be the properties of the one meter long wire?

Answer 1

Answer:

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Explanation:

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Answer 2

Following are the properties of wire of metre bridge.

•Metre bridge is used to calculate resistance of unknown wire using a resistance of known value.

• It is based on the principle of null point deflection for balanced wheatstone bridge.

• One meter long wire should be sensitive i.e. to be able to measure small values .

• It should have very low temperature coefficient i.e. its length may not vary with time on passage of current through it.

• Its resistance may not vary with time .