Delmar's Standard Textbook of Electricity (MindTap Course List)
Delmar's Standard Textbook of Electricity (MindTap Course List)
6th Edition
ISBN: 9781285852706
Author: Stephen L. Herman
Publisher: Cengage Learning
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Chapter 18, Problem 2PP

Assume that the voltage drop across the resistor, E R , is 78 V, that the voltage drop across the inductor, E L , is 104 V, and the circuit has a total impedance, Z, of 20 Ω . The frequency of the AC voltage is 60 Hz.

E T _____ I T  _____ Z 20  Ω VA _____ PF _____ E R 78 V I R  _____ R _____ P _____ θ _____ E L 104 V I L  _____ X L _____ VARs L  _____ L _____

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Two impedances are connected in parallel across a 220-volt source. If Z1= 4 cis (30) and Z2 = 5 cis (60) ohms. Find the equivalent admittance ( Siemen ) of the circuit. O 0.435 cis(- 43.3) O 2.3 cis (43.3) O 0.835 cis (-53.3) O 0.835cis (53.3)
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Delmar's Standard Textbook of Electricity (MindTap Course List)

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