Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN: 9781337900348
Author: Stephen L. Herman
Publisher: Cengage Learning
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Chapter 21, Problem 2PP

Assume that the voltage drop across the resistor, ER, is 78 V; the voltage drop across the capacitor, EC, is 104 V; and the circuit has a total impedance, Z, of 20 Ω . The frequency of the AC voltage is 60 Hz. Find the missing values.

E T _ _ _ _ _ _ _ _ _ _ _ _ E R 78 V _ _ _ _ _ _ _ _ _ E C 104 V _ _ _ _ _ _ _ _
I T _ _ _ _ _ _ _ _ _ _ _ _ I R _ _ _ _ _ _ _ _ _ _ _ _ I C _ _ _ _ _ _ _ _ _ _ _ _ _
Z 20 Ω _ _ _ _ _ _ _ _ R _ _ _ _ _ _ _ _ _ _ _ _ _ X C _ _ _ _ _ _ _ _ _ _ _ _
V A _ _ _ _ _ _ _ _ _ _ _ P _ _ _ _ _ _ _ _ _ _ _ _ _ V A R S C _ _ _ _ _ _ _ _ _
P F _ _ _ _ _ _ _ _ _ _ _ _ θ _ _ _ _ _ _ _ _ _ _ _ _ C ______________
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A circuit consists of an AC voltage source, a 10-ohm resistor, and a capacitor, all connected in series. The magnitude of the impedance of the capacitor is also 10 ohms. Which of the following is true about the source voltage and the current through the circuit? a. Insufficient information is given. b. The source voltage will lag the current. c. The source voltage will lead the current. d. The source voltage will be in-phase with the current.
A circuit consists of an AC voltage source, a 10-ohm resistor, and a capacitor, all connected in series. The magnitude of the impedance of the capacitor is also 10 ohms. Which of the following is true about the phase angle difference between the source voltage and the current through the circuit?   a. Insufficient information is given. b. The phase angle difference will be zero degrees. c. The phase angle difference will be 45 degrees. d. The phase angle difference will be 90 degrees.
The Subject is Basic Electrical Engineering Chapter 15. Conductance, Susceptance and Admittance of AC Circuit.
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