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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 20 - Heating Effects of Current and Instruments > An ammeter is obtained by shunting a 30 Ω galvanometer with a 30Ω resistance. What additional shunt should be connected across it to double the range?

An ammeter is obtained by shunting a 30 Ω galvanometer with a 30Ω resistance. What additional shunt should be connected across it to double the range?

An ammeter is obtained by shunting a 30 Ω galvanometer with a 30Ω resistance. What additional shunt should be connected across it to double the range?