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Physics
Physics
Problem
Identify the correct expression for the magnitude of impedance
Z
Z
Z
of a series
R
L
C
RLC
R
L
C
circuit. a)
Z
=
R
+
∣
X
L
−
X
C
∣
Z = R + |X_L - X_C|
Z
=
R
+
∣
X
L
−
X
C
∣
b)
Z
=
R
2
+
(
X
L
−
X
C
)
2
Z = \sqrt{R^{2} + (X_L - X_C)^{2}}
Z
=
R
2
+
(
X
L
−
X
C
)
2
c)
Z
=
R
2
+
(
X
L
+
X
C
)
2
Z = \sqrt{R^{2} + (X_L + X_C)^{2}}
Z
=
R
2
+
(
X
L
+
X
C
)
2
d)
Z
=
R
2
+
X
L
2
+
X
C
2
Z = \sqrt{R^{2} + X_L^{2} + X_C^{2}}
Z
=
R
2
+
X
L
2
+
X
C
2
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