Laboratory Manual for Introductory Circuit Analysis
13th Edition
ISBN: 9780133923780
Author: Robert L. Boylestad, Gabriel Kousourou
Publisher: PEARSON
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Chapter 20, Problem 19P
The load on a 120 V, 60 Hz supply is 5 kW (resistive), 8 kVAR (inductive), and 2 kVAR (capacitive).
a. Find the total kilovolt-amperes.
b. Determine the Fp of the combined loads.
c. Find the current drawn from the supply.
d. Calculate the capacitance necessary to establish a unity power factor.
e. Find the current drawn from the supply at unity power factor, and compare it to the uncompensated level.
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Given the following voltage divider, R1 is fixed and R2 is implemented using two terminals of a 10k pot so that R2 is a variable over the range of 0<=R2<= 10 kiloolhm. V1 is a voltage source from a 9 V battery. What is the largest value of R1 that will allow the output voltage to vary over a range that includes at least 1.5V<= V2 <= 5.0V. Then, determine a resistor (or a combination of resistors) of standard type you might that will get as close as possible to but not larger than the calculated value of R1.
Chapter 20 Solutions
Laboratory Manual for Introductory Circuit Analysis
Ch. 20 - For the battery of bulbs (purely resistive)...Ch. 20 - For the network of Fig. 20.49 : a. Find the...Ch. 20 - For the network of Fig. 20.50 : a. Determine the...Ch. 20 - For the system of Fig. 20.51 : a. Find the total...Ch. 20 - For the system of Fig. 20.52 : a. Find PT, QT. and...Ch. 20 - 6. For the system of Fig. 20.53 : a. Find PT, QT....Ch. 20 - For the network of Fig. 20.54 : a. Find the type...Ch. 20 - For the circuit of Fig. 20.55: a. Find the...Ch. 20 - For the network of Fig. 20.56 : a. Find Is. b....Ch. 20 - Repeat Problem 9 for the network of Fig. 20.57.
Ch. 20 - For the network of Fig. 20.58: a. Find the average...Ch. 20 - An electrical system is rated 10 kVA, 200 V at a...Ch. 20 - An electrical system is rated 5 kVA, 120 V, at a...Ch. 20 - For the system of Fig. 20.59: a. Find the total...Ch. 20 - Repeat Problem 14 for the system of Fig. 20.60.Ch. 20 - For the circuit of Fig. 20.61: Find the total...Ch. 20 - For the circuit of Fig. 20.62: Find the total...Ch. 20 - Prob. 18PCh. 20 - The load on a 120 V, 60 Hz supply is 5 kW...Ch. 20 - The loading of a factory on a 1000 V, 60 Hz system...Ch. 20 - a. A wattmeter is connected with its current coil...Ch. 20 - The voltage source in Fig. 20.64 delivers 660 VA...Ch. 20 - a. An air-core coil is connected to a 200 V, 60 Hz...Ch. 20 - a. The inductance of an air-core coil is 0.08 H....Ch. 20 - Using PSpice or Multisim, obtain a plot of...
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- Find the Thevenin And Norton equivalent circuit for nodes a and b. Do not use chatgpt or AIarrow_forwardGiven the following voltage divider circuit, where V1 is a 9V battery, R1 is implemented using two terminals of a 10k pot so that R1 is a variable over the range 0 <= R1 <= 10kiloohlm. What is the largest value of the resistor R1 that will permit the output voltage to vary over the range that includes at least 1.5V <= V2 <= 5.0 V? Then, find a resitor (or a combinations of resistors) that are common types that would get as close as possible but not larger than the calculated value for R2.arrow_forwardGiven the following voltage divider circuit, both resistors R1 and R2 are implemented using the three terminals of a 10k pot so that R1 and R2 are both variables such that 0<=R2 <=10kiloolhms and R1 +R2 = 10kiloolhms. V1 is a 10V battery voltage source. Find the range of values for R2 that wil cause the output voltage to vary over the range 1.5V<= V2<= 5.0V.arrow_forward
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