Delmar's Standard Textbook Of Electricity
7th Edition
ISBN: 9781337900348
Author: Stephen L. Herman
Publisher: Cengage Learning
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Chapter 24, Problem 2PP
To determine
The missing values in the table.
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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
QUESTION 3
An inductor, a capacitor, and a resistor are connected in parallel with a function generator. The inductor draws 100mA RMS, the capacitor draws 150mA RMS, and
the resistor draws 200mA RMS. Find the magnitude of the total current.
O 450mA RMS
O 544mA RMS
O 352mA RMS
O 206mA RMS
QUESTION 19
E-06, PC-02. Three inductors 15 mH, 15 mH and 15 mH are connected in series. What is the total inductance?
O 5 mH.
Without knowing the coupling factor the total inductance cannot be found.
45mH.
QUESTION 20
E-06, PC-05. Why are the iron cores of most induction coils laminated?
To increase the core permeability.
O To reduce the core reluctance.
O To reduce the effects of eddy currents.
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Chapter 24 Solutions
Delmar's Standard Textbook Of Electricity
Ch. 24 - An AC circuit contains a 24 resistor, a 15.9-mH...Ch. 24 - An RLC parallel circuit contains a resistor with a...Ch. 24 - The circuit shown in Figure 24-2 has a current of...Ch. 24 - A tank circuit contains a capacitor and an...Ch. 24 - A 0.796-mH inductor produces an inductive...Ch. 24 - An AC motor is connected to a 560-V, 60-Hz line....Ch. 24 - A single-phase AC motor is connected to a 240-V,...Ch. 24 - The circuit in Figure 24-2 is connected to a...Ch. 24 - Prob. 2PPCh. 24 - The circuit in Figure 24-2 is connected to a 60-Hz...
Ch. 24 - The circuit in Figure 24-2 is connected to a...Ch. 24 - In an RLC parallel circuit, the resistor has...Ch. 24 - In an RLC parallel circuit, the resistor has a...Ch. 24 - In an RLC parallel circuit, the true power is 260...Ch. 24 - An RLC parallel circuit has an apparent power of...Ch. 24 - In an RLC parallel circuit, the resistor has a...Ch. 24 - An RLC parallel circuit is connected to 240 volts....
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