Electric Circuits. (11th Edition)
11th Edition
ISBN: 9780134746968
Author: James W. Nilsson, Susan Riedel
Publisher: PEARSON
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Chapter 1, Problem 16P
a.
To determine
Find the power at the terminals and state whether the power is being absorbed or delivered by the element in the box.
b.
To determine
Find whether the electrons are entering or leaving the terminal 2.
c.
To determine
Find whether the electrons gain or lose energy as they pass through the element in the box.
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10.2 For each of the following groups of sources, determineif the three sources constitute a balanced source, and if it is,determine if it has a positive or negative phase sequence.(a) va(t) = 169.7cos(377t +15◦) Vvb(t) = 169.7cos(377t −105◦) Vvc(t) = 169.7sin(377t −135◦) V(b) va(t) = 311cos(wt −12◦) Vvb(t) = 311cos(wt +108◦) Vvc(t) = 311cos(wt +228◦) V(c) V1 = 140 −140◦ VV2 = 114 −20◦ VV3 = 124 100◦ V
Apply single-phase equivalency to determine the linecurrents in the Y-D network shown in Fig. P10.13. The loadimpedances are Zab = Zbc = Zca = (25+ j5) W
10.8 In the network of Fig. P10.8, Za = Zb = Zc = (25+ j5) W.Determine the line currents.
Chapter 1 Solutions
Electric Circuits. (11th Edition)
Ch. 1.2 - Assume a telephone signal travels through a cable...Ch. 1.2 - How many dollars per millisecond would the federal...Ch. 1.5 - The current at the terminals of the element in...Ch. 1.5 - The expression for the charge entering the upper...Ch. 1.6 - Objective 3—Know and use the definitions of power...Ch. 1.6 - Prob. 6APCh. 1.6 - A high-voltage direct-current (dc) transmission...Ch. 1 - The line described in Assessment Problem 1.7 is...Ch. 1 - A 32-inch monitor contains 3840 × 2160 picture...Ch. 1 - Some species of bamboo can grow (250 mm/day)....
Ch. 1 - A hand-held video player displays 480 × 320...Ch. 1 - The 16 gigabyte (GB = 230 bytes) flash memory chip...Ch. 1 - There are approximately 260 million passenger...Ch. 1 - The current entering the upper terminal of Fig....Ch. 1 - How much energy is imparted to an electron as it...Ch. 1 - In electronic circuits it is not unusual to...Ch. 1 - There is no charge at the upper terminal of the...Ch. 1 - Prob. 11PCh. 1 - When a car has a dead battery, it can often be...Ch. 1 - Prob. 13PCh. 1 - One 12 V battery supplies 100 mA to a boom box....Ch. 1 - The references for the voltage and current at the...Ch. 1 - Repeat Problem 1.15 with a current of −5 A.
1.15...Ch. 1 - The manufacturer of a 6 V dry-cell flashlight...Ch. 1 - The voltage and current at the terminals of the...Ch. 1 - Prob. 19PCh. 1 - The voltage and current at the terminals of the...Ch. 1 - Prob. 21PCh. 1 - The voltage and current at the terminals of the...Ch. 1 - The voltage and current at the terminals of the...Ch. 1 - The voltage and current at the terminals of the...Ch. 1 - An industrial battery is charged over a period of...Ch. 1 - The voltage and current at the terminals of an...Ch. 1 - 1.28 The voltage and current at the terminals of...Ch. 1 - The numerical values for the currents and voltages...Ch. 1 - The voltage and power values for each of the...Ch. 1 - The numerical values of the voltages and currents...Ch. 1 - The current and power for each of the...Ch. 1 - Assume you are an engineer in charge of a project...Ch. 1 - Show that the power balances for the circuit shown...Ch. 1 - Suppose there is no power lost in the wires used...
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