9.81 a) Show that the impedance seen looking into the terminals a,b in the circuit in Fig. P9.81 is given by the expression Zab Siguro DO 81 = Zab - 1 + b) Show that if the polarity terminal of either one of the coils is reversed that ZL (₁ 1 N₁ N₂. ZL - 2 №₁ N₂

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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9.81 a) Show that the impedance seen looking into the
terminals a,b in the circuit in Fig. P9.81 is given
by the expression
Figure P9.81
a
Zab
Zab
bo
b) Show that if the polarity terminal of either one
of the coils is reversed that
=
Zab
=
1 +
ZL
1
N₁
N₁) ²*
ZL
N₁
N₂
ZL
Transcribed Image Text:9.81 a) Show that the impedance seen looking into the terminals a,b in the circuit in Fig. P9.81 is given by the expression Figure P9.81 a Zab Zab bo b) Show that if the polarity terminal of either one of the coils is reversed that = Zab = 1 + ZL 1 N₁ N₁) ²* ZL N₁ N₂ ZL
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