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Tardigrade
Question
Physics
For a series LCR circuit at resonance, the statement which is not true is
Q. For a series
L
CR
circuit at resonance, the statement which is not true is
2491
175
KCET
KCET 2008
Alternating Current
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A
Peak energy stored by a capacitor = peak energy stored by an inductor
16%
B
Average power = apparent power
17%
C
Wattless current is zero
21%
D
Power factor is zero
46%
Solution:
For a series
L
CR
circuit at resonance
Phase difference,
ϕ
=
0
∘
Power factor
=
cos
ϕ
=
1