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Why do we prefer a potentiometer with lo...

Why do we prefer a potentiometer with longer wire ?

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Why do we prefer potentiometer with a longer bridge wire?

Why do we prefer potentiometer of longer length for sensitive measurements?

Assertion: We prefer a potentiometer with a longer bridge wire. Reason : By doing this, the sensitivity of the bridge is increased because for longer wire potential drop per unit length will be small.

Assertion: We prefer a potentiometer with a longer bridge wire. Reason : By doing this, the sensitivity of the bridge is increased because for longer wire potential drop per unit length will be small.

Why do we prefer a potentiometer to measure emf of a cell rather than a voltmeter ?

Why do we prefer a potentiometer to measure emf of a cell rather than a voltmeter ?

Why do we prefer a potentiometer to measure emf of the cell rather than a voltmeter?

Why do we prefer a potentiometer to measure e.m.f. of a cell rather than a voltmeter?