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Physics
Physics
Problem
In a series RLC circuit carrying alternating current, the power factor is equal to a)
X
L
−
X
C
Z
\dfrac{X_L - X_C}{Z}
Z
X
L
−
X
C
b)
R
Z
\dfrac{R}{Z}
Z
R
c)
Z
R
\dfrac{Z}{R}
R
Z
d)
X
L
Z
\dfrac{X_L}{Z}
Z
X
L
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