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Byju's Answer
Standard XII
Physics
Capacitor in an AC Circuit
Phase differe...
Question
Phase difference between voltage and current in a capacitor in an ac circuit is then
A
π
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B
π
/
2
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C
0
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D
π
/
3
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Solution
The correct option is
A
π
/
2
In a capacitive ac circuits , the voltage lags
behind the current in phase by
π
/
2
radian.
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0
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Q.
An
A
C
voltage
V
=
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0
sin
100
t
is applied to the circuit, the phase difference between current and voltage is found to be
π
/
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, then:
Q.
Match List I with list II
List-I
List- II
(a) Phase difference
between current
and voltage in a
purely resistive
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(i) π/2; current leads voltage
(b) Phase difference between
current and voltage in a
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(ii) zero
(c) Phase difference
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(iii) π/2; current lags voltage
(d) Phase difference
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(iv)
tan
−
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(
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L
R
)
Q.
In a series AC RLC circuit, when the inductor is removed from the circuit, the phase difference between the voltage and the current in the circuit is
π
/
3
. If instead, the capacitor is removed from the circuit, the phase difference is again
π
/
3
. The power factor of the circuit is -
Q.
A series of
LCR
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π
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. If instead
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is removed from the circuit, the phase difference is again
π
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Show that the current leads the voltage in phase by
π
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2
in an
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