In the circuit shown, the variable resistance is so adjusted that the – InterviewSolution

1.	In the circuit shown, the variable resistance is so adjusted that the ammeter reading is the same in both the positions 1 and 2 of the key. The reading of the ammeter is 2 A. If E=10 V, then X is
Answer» In the circuit shown, the variable resistance is so adjusted that the ammeter reading is the same in both the positions 1 and 2 of the key. The reading of the ammeter is $2 A$ . If $E = 10 V$ , then $X$ is

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