Physics · AC Circuits
In a single-phase AC series circuit consisting of a resistor R and an inductor L, the active power indicated by a wattmeter represents:
- 1The power stored temporarily in the magnetic field of the inductor
- 2The average power converted into heat and useful work✓
- 3The peak instantaneous power supplied to the circuit
- 4The reactive power exchanged between the source and the inductor
Correct answer
The average power converted into heat and useful work
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