A series L,R circuit connected with an ac source E=(25 \sin 1000 t) V has a power factor of {1}/{\sqrt{2}}. If the source of emf is changed to E=(20 \sin 2000 t)V, the new power factor of the circuit will be : [30-Jan-2024 Shift 1]

Alternating Current Part 2

Section: Physics

Question : 35 of 83

Marks: +1, -0

A series L,R circuit connected with an ac source E=(25sin‌1000t)V has a power factor of ‌

√2

. If the source of emf is changed to E=(20sin‌2000 t)V, the new power factor of the circuit will be :

[30-Jan-2024 Shift 1]

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