MHT CET 2024 Physics question
The current flowing in a coil is 3A and the power consumed is 108W. If the a.c. source is of 120 V, 50 Hz, the resistance in the circuit is
Answer: (C)
Solution
In an a.c. circuit the average power is dissipated only in the resistance: . Therefore , option (C). (The impedance is , so the
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