Introductory Circuit Analysis
13th Edition
ISBN: 9780133923919
Author: Boylestad, Robert L.
Publisher: Pearson Education
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Textbook Question
Chapter 14, Problem 31P
The power factor of a circuit is 0.5 lagging. The power delivered in watts is 500. If the input voltage is
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The power factor of a circuit is 0.5 lagging. The power delivered in watts is 600. If the input voltage is 60 sin(ωt + 20°), determine the sinusoidal expression for the input current
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Chapter 14 Solutions
Introductory Circuit Analysis
Ch. 14 - Plot the following waveform versus time showing...Ch. 14 - Repeat Problem 1 for the following sinusoidal...Ch. 14 - What is the derivative of each of the following...Ch. 14 - The voltage across a 20 resistor is as indicated....Ch. 14 - The current through a 6.8 k ) resistor is as...Ch. 14 - Determine the inductive reactance (in ohms) of a 2...Ch. 14 - Determine the closest standard value inductance...Ch. 14 - Determine the frequency at which a 47 mH...Ch. 14 - The current through a 20 inductive reactance is...Ch. 14 - The current through a 0.1 H coil is given. What is...
Ch. 14 - The voltage across a 40 inductive reactance is...Ch. 14 - The voltage across a 0.2 H coil is given. What is...Ch. 14 - Determine the capacitive reactance (in ohms) of a...Ch. 14 - Determine the closest standard value capacitance...Ch. 14 - Determine the frequency at which a 3.9 F capacitor...Ch. 14 - The voltage across a 2.5 capacitive reactance is...Ch. 14 - The voltage across a 1 F capacitor is given. What...Ch. 14 - The current through a 2 k capacitive reactance is...Ch. 14 - The current through a 0.56 F capacitor is given....Ch. 14 - For the following pairs of voltages and currents,...Ch. 14 - Repeat Problem 20 for the following pairs of...Ch. 14 - Plot XL versus frequency for a 3 mH coil using a...Ch. 14 - Plot XC versus frequency for a 1 F capacitor using...Ch. 14 - At what frequency will the reactance of a 1 F...Ch. 14 - The reactance of a coil equals the resistance of a...Ch. 14 - Determine the frequency at which a 1 F capacitor...Ch. 14 - Determine the capacitance required to establish a...Ch. 14 - Find the average power loss and power factor for...Ch. 14 - If the current through and voltage across an...Ch. 14 - A circuit dissipates 100 W (average power) at 150...Ch. 14 - The power factor of a circuit is 0.5 lagging. The...Ch. 14 - In Fig.14.77, e=120sin(260t+20). a. What is the...Ch. 14 - In Fig. 14.78, e=220sin(1000t+60). a. Find the...Ch. 14 - In Fig. 14.79, i=30103sin(2500t20). a. Find the...Ch. 14 - For the network in Fig. 14.80 and the applied...Ch. 14 - For the network in Fig. 14.81 and the applied...Ch. 14 - Convert the following from rectangular to polar...Ch. 14 - Convert the following from rectangular to polar...Ch. 14 - Convert the following from polar to rectangular...Ch. 14 - Convert the following from polar to rectangular...Ch. 14 - Perform the following additions in rectangular...Ch. 14 - Perform the following subtractions in rectangular...Ch. 14 - Perform the following operations with polar...Ch. 14 - Perform the following multiplications in...Ch. 14 - Perform the following multiplications in polar...Ch. 14 - Perform the following divisions in polar form:...Ch. 14 - Perform the following divisions, and leave the...Ch. 14 - Perform the following operations, and express your...Ch. 14 - Prob. 49PCh. 14 - Determine a solution for x and y if...Ch. 14 - Determine a solution for x and y if...Ch. 14 - Express the following in phasor from:...Ch. 14 - Express the following in phasor form:...Ch. 14 - Express the following phasor currents and voltages...Ch. 14 - For the system in Fig. 14.82, find the sinusoidal...Ch. 14 - For the system in Fig. 14.83 find the sinusoidal...Ch. 14 - Find the sinusoidal expression for the voltage Ua...Ch. 14 - Find the sinusoidal expression for the current i1...Ch. 14 - Plot icandUc versus time for the network in Fig....Ch. 14 - Plot the magnitude and phase angle of the current...Ch. 14 - Plot the total impedance of the configuration in...
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- A sinusoidal signal of 20V peak at 50 Hz is applied across a series combination of a resistor and inductor. If the impedance of the combination is Z = (10 + 5.03j)Ω, the power factor of this arrangementarrow_forwardA circuit has an ac voltage source and a resistor and capacitorconnected in series. There is no inductor. The ac voltage source hasvoltage amplitude 900 V and angular frequency v = 20.0 rad/s. Thevoltage amplitude across the capacitor is 500 V. The resistor has resistanceR = 300 Ω. What is the average rate at which the ac source supplies electrical energy to the circuit?arrow_forwardWrite a Matlab code to sketch using plot function, y(t)=3 sin(t) for 3 periodsarrow_forward
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