EBK DELMAR'S STANDARD TEXTBOOK OF ELECT
6th Edition
ISBN: 8220100546686
Author: Herman
Publisher: YUZU
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Textbook Question
Chapter 24, Problem 1PA
You are an electrician working in a plant. A series resonant circuit is to be used to produce a high voltage at a frequency of 400 Hz. The inductor has an inductance of 15 mH and a wire resistance of 2
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A circuit consists of an inductor which has a resistance of 10 Ω and an inductance of 0.3 H, in serieswith a capacitor of 30 μF capacitance. Calculate(a) the impedance of the circuit to currents of 40 Hz (b) the resonant frequency (c) the peakvalue of stored energy in joules when the applied voltage is 200 V at the resonant frequency.Answer: [58.31 Ω; 53 Hz; 120 J]
6. a sinusoidal current is in phase with the voltage. It has an active power of 50VARS and reactive power of 10VARS. what is its apparent power?
A. 71 VARS
B. 41 VARS
C. 51 VARS
D. 61 VARS
7. An RLC series circuit has a resistance of 250ohms, 25microFarad capacitance and 57mH inductance. determine its impedance considering the circuit is at resonance condition.
A. 150 ohm
B. 230ohm
C. 250 ohm
D. 300 ohm
An R–L–C series circuit has a maximum cur
rent of 2 mA flowing in it when the frequency
of the 0.1 V supply is 4 kHz. The Q-factor
of the circuit under these conditions is 90.
Determine (a) the voltage across the capaci
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Calculate the inductance of a coil which must
be connected in series with a 4000 pF capacitor
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Chapter 24 Solutions
EBK DELMAR'S STANDARD TEXTBOOK OF ELECT
Ch. 24 - What is the phase angle relationship of current...Ch. 24 - What is the phase angle relationship of current...Ch. 24 - What is the phase angle relationship of current...Ch. 24 - An AC circuit has a frequency of 400 Hz. A 16-...Ch. 24 - If 440 V are connected to the circuit, how much...Ch. 24 - Prob. 6RQCh. 24 - What is the true power of the circuit in Question...Ch. 24 - What is the apparent power of the circuit in...Ch. 24 - What is the power factor of the circuit in...Ch. 24 - How many degrees are the voltage and current out...
Ch. 24 - You are an electrician working in a plant. A...Ch. 24 - Prob. 1PPCh. 24 - The circuit is connected to a 400-Hz line with an...Ch. 24 - The circuit is connected to a 60-Hz line. The...Ch. 24 - This circuit is connected to a 1000-Hz line. The...Ch. 24 - A series RLC circuit contains a 4-k resistor, an...Ch. 24 - A series RLC circuit contains a resistor with a...Ch. 24 - Is the power factor in Question 6 a leading or...Ch. 24 - A series RLC circuit contains a resistor with a...Ch. 24 - A series RLC circuit has an applied voltage of 240...Ch. 24 - A series RLC circuit is connected to a 60-Hz power...
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