How can i calculate resistance of a wire?

1 Answer
Kalit Gautam
Mar 20, 2018

Using a set up known as meter bridge we can easily find the Resistance of a wire.

Explanation:

http://www.learncbse.in/to-find-resistance-of-a-given-wire-using-metre-bridge-and-hence-determine-the-resistivity-specific-resistance-of-its-material/

The meter bridge works on the principle of wheat-stone bridge.

For the meter bridge shown above the relation from wheat stone bride principle comes out to be :-

RX=l100−l

Thus, the unknown resistance X is calculated easily.

The general wheat-stone bridge is shown below :-

http://www.cbsesamplepapers.info/cbse/cbse-previous-year-solved-papers-class-12-physics-delhi-2015

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