ANALYSIS+DESIGN OF LINEAR CIRCUITS(LL)
8th Edition
ISBN: 9781119235385
Author: Thomas
Publisher: WILEY
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Chapter 1, Problem 1.26P
Repeat Problem 1-22 using MATLAB to perform the calculations. Create a
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7.1 Express the current waveform
i(t) = -0.2 cos(6 × 10°1 +60°) mA
in standard cosine form and then determine the following:
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(b) i(t) at t=0.1 ns.
3. Consider the RC circuit with a constant voltage source shown in the diagram below. The
values of the resistor, capacitor, and input voltage are R = 50, C = 10 µF, and V = 6V,
respectively. Assume that there is initially no charge on the capacitor before the switch is
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Vo
↑i(t)
R
w
C
When the switch closes at time t = 0, the current begins to flow as a function of time according
to the equation
i(t) = ioenc
Q2. a)
A three-phase 415 V, 4-pole, 50 Hz, A-connected induction motor was
tested. The obtained results are:
(i)
(ii)
No load test 50 Hz:
Blocked rotor test, 10 Hz:
DC test:
Vnl=415 V, Pnl=1200 W, In=11 A
Vbr 10 V, Pbr=1500 W, Ibr=91 A
VDC 3 V, IDC=107 A
Draw the per-phase equivalent electrical circuit of the motor
Draw the circuits for no-load and block-rotor tests and indicate the slip
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(iii) Identify the motor parameters
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Chapter 1 Solutions
ANALYSIS+DESIGN OF LINEAR CIRCUITS(LL)
Ch. 1 - Given an electrical quantity described in terms of...Ch. 1 - Express the following quantities to the nearest...Ch. 1 - An ampere-hour (Ah) meter measures the time...Ch. 1 - Electric power companies measure energy...Ch. 1 - Fill in the blanks in the following statements. To...Ch. 1 - Which of the two entries is larger? 1000...Ch. 1 - A wire carries a constant current of 30A. How many...Ch. 1 - The net positive charge flowing through a device...Ch. 1 - Figure P1-9 shows a plot of the net positive...Ch. 1 - The net negative charge flowing through a device...
Ch. 1 - A cell phone charger outputs 9.6 V and is...Ch. 1 - For 0t5s, the current through a device is...Ch. 1 - The charge flowing through a device is...Ch. 1 - The 12-V automobile battery in Figure P1-14 has an...Ch. 1 - The current through a device is zero for t0 and is...Ch. 1 - A string of holiday lights is protected by a 12A...Ch. 1 - When illuminated the relationship for a photocell...Ch. 1 - A new 6-V alkaline lantern battery delivers...Ch. 1 - The maximum current allowed by a device's power...Ch. 1 - Traffic lights are being converted from...Ch. 1 - Two electrical devices are connected as shown in...Ch. 1 - Figure P1-22 shows an electric circuit with a...Ch. 1 - Figure P1-22 shows an electric circuit with a...Ch. 1 - In Figure P1-24 the voltage v2 is 10 V and v4 is 5...Ch. 1 - For t0, the voltage across and power absorbed by a...Ch. 1 - Repeat Problem 1-22 using MATLAB to perform the...Ch. 1 - Using the passive sign convention, the voltage...Ch. 1 - Power Ratio (PR) in dB A stereo amplifier takes...Ch. 1 - AC to DC Converter A manufacturer's data sheet for...Ch. 1 - Charge-Storage Device A capacitor is a...Ch. 1 - Compute Data Sheet A manufacturer's data sheet for...Ch. 1 - Light Source Comparison A Today people have three...
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