in series lcr circuit at resonance applied e.m.f. and the current are (a) out of phase (b) in phase (c) differ in phase by π/2 radian (d) differ in phase by π² radian
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Answer:
We know that phase difference is given by:
ϕ=arctan(
R
(X
L
−X
c
)
)
at resonance
X
L
−X
c
=0
Therefore ϕ=0.
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