A series L,R circuit connected with an ac source E = (25 sin 1000 t) V has a power factor of 1/√2. If the source of emf is changed to E = (20 sin 2000 t)V, the new power factor of the circuit will be :
Physics · AC Circuits · Series AC Circuits: Impedance, Phase Difference, Resonance and Power Factor
A series L,R circuit connected with an ac source E = (25 sin 1000 t) V has a power factor of 1/√2. If the source of emf is changed to E = (20 sin 2000 t)V, the new power factor of the circuit will be :
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