the best instrument for accurate measurement of emf of a cell is ? a. wheat stone bridge b. ammeter c. a potentiometer d. voltmeter
Answer (1)
Student Expert
21st Oct, 2019
hello,
answer is potentiometer.
as a voltmeter draws some current in cell it can not givethe accurate rating. a potentiometer is the best option as during the measurement by potentiometer no current flows through it.
hope it would help.
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