In the given circuit the sliding contact is pulled outwards such that electric current in the circuit changes at the rate of $8 A / s$ . At an instant when R is $12Ω$ , the value of the current in the circuit will be ______ A.

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TestHub · Accepted Answer

​ ε − dt LdI ​ − IR = 0 12 − 3 × ( − 8 ) − I × 12 = 0 I = 3 ​

Physics - EMI/AC Question with Solution | TestHub

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