Potentiometer is an ideal instrument because

A potentiometer is an ideal instrument for measuring potential difference or e.m.f. because

A potentiometer is an ideal device of measuring potential difference because

A potentiometer is an ideal device of measuring potential difference because

A potentiometer is an ideal device of measuring potential difference because

Why is potentiometer preferred over a voltmeter for measuring emf? or explain. Potentiometer acts as an ideal voltmeter .

A stretched string is used in musical instruments because

A stretched string is used in musical instruments because