Physics · AC Circuits
In a single-phase AC series circuit consisting of resistance R and inductance L, the wattmeter reading indicates the active component of power. This active power essentially represents:
- 1The power stored temporarily in the magnetic field
- 2The net power converted into heat and useful work✓
- 3The instantaneous power supplied to the circuit
- 4The power exchanged between source and load every cycle
Correct answer
The net power converted into heat and useful work
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