1.

The given circuit is used to measure the resistanceR. The ammeter reads 2 Aand the voltmeter 120 V. AWhat is the value of R if theresistance of the voltmeteris 3000 2? If the resistanceof the voltmeter is takento be infinitely large, then.Ans. 61.2 Ω, 60 Ω.

Answer»

when the resistance is infinite of the voltmeter thenR=V/I=120/2=60ohmwhen it has some high finite value then the value of R will be slightly greater



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