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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Practice Set 1 > A galvanometer having a coil resistance of 100Ω gives a full scale deflection when a current of 1mA is passed through it. What is the value of the resistance which can convert this galvanometer into voltmeter giving a full scale deflection for a potential difference of 10 V ?

A galvanometer having a coil resistance of 100Ω gives a full scale deflection when a current of 1mA is passed through it. What is the value of the resistance which can convert this galvanometer into voltmeter giving a full scale deflection for a potential difference of 10 V ?

Which of the following gives a reversible operation?