Delmar's Standard Textbook Of Electricity
7th Edition
ISBN: 9781337900348
Author: Stephen L. Herman
Publisher: Cengage Learning
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Chapter 18, Problem 2PP
Assume that the current flow through the resistor,
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PLEASE RESOLVE! THE FINAL ANSWER MUST BE IN THE CHOICES.
DC/AC MOTOR (UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS LEGIBLY. NO LONG EXPLANATIONS NEEDED. ANSWER IN 2 DECIMAL PLACES. BOX THE FINAL ANSWER.)
A current of (120-j150) A flows through a circuit when applied voltage is (8 + j12) V.
A. What is the magnitude of the circuit impedance:
a. 0.0635 ohm
b. 0.0256 ohm
c. 1.52 ohm
d. 1.325 ohm
B. What is the reactive power?
a. 825.75 VAR
b. 525.68 VAR
c. 639.75 VAR
d. 438.72 VAR
Please show you detailed solution
Number 10
A voltage of 250 volts at 50 Hz is impressed on a circuit having a 60-ohm resistor, 35-?F capacitor, and a 0.25-henry inductor in series. Determine power factor.
A. 0.979 C. 0.924
B. 0.862 D. 0.707
DC/AC MOTOR (UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS LEGIBLY. NO LONG EXPLANATIONS NEEDED. ANSWER IN 2 DECIMAL PLACES. BOX THE FINAL ANSWER.)
A current of (120-j150) A flows through a circuit when applied voltage is (8 + j12) V.
A. What is the magnitude of the circuit impedance:
a. 0.0635 ohm
b. 0.0256 ohm
c. 1.52 ohm
d. 1.325 ohm
B. What is the reactive power?
a. 825.75 VAR
b. 525.68 VAR
c. 639.75 VAR
d. 438.72 VAR
Chapter 18 Solutions
Delmar's Standard Textbook Of Electricity
Ch. 18 - 1. When an inductor and a resistor are connected...Ch. 18 - 2. An inductor and resistor are connected in...Ch. 18 - 3. What is the impedance of the circuit in...Ch. 18 - 4. What is the power factor of the circuit in...Ch. 18 - How many degrees out of phase are the current and...Ch. 18 - 6. In the circuit shown in Figure 18-1, the...Ch. 18 - 7. A resistor and an inductor are connected in...Ch. 18 - The R-L parallel circuit shown in Figure 18-1 has...Ch. 18 - The R-L parallel circuit shown in Figure 18-1 has...Ch. 18 - How many degrees out of phase are the total...
Ch. 18 - Incandescent lighting of 500 W is connected in...Ch. 18 - You are working on a residential heat pump. The...Ch. 18 - Assume that the circuit shown in Figure 18-1 is...Ch. 18 - Assume that the current flow through the resistor,...Ch. 18 - Assume that the circuit in Figure 18-1 has an...Ch. 18 - Assume that the circuit in Figure 18-1 has a power...Ch. 18 - In an R-L parallel circuit, R=240 and XL=360. Find...Ch. 18 - In an R-L parallel circuit, IT=0.25 amps, IR=0.125...Ch. 18 - In an R-L parallel circuit, ET=120 volts,...Ch. 18 - In an R-L parallel circuit, ET=48 volts, IT=0.25...Ch. 18 - In an R-L parallel circuit, ET=240 volts, R=560 R...Ch. 18 - In an R-L parallel circuit, ET=240 volts, R=560,...Ch. 18 - In an R-L parallel circuit, ET=208 volts, R=2.4k,...Ch. 18 - In an R-L parallel circuit, ET=480 volts, R=16,...Ch. 18 - In an R-L parallel circuit, IT=1.25 amps, R=1.2k,...Ch. 18 - In an R-L parallel circuit, true power =4.6 watts...Ch. 18 - An R-L parallel circuit is connected to 240 volts...Ch. 18 - An R-L parallel circuit has an applied voltage of...
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