ANALYSIS+DESIGN OF LINEAR CIRCUITS(LL)
8th Edition
ISBN: 9781119235385
Author: Thomas
Publisher: WILEY
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Chapter 1, Problem 1.9P
Figure P1-9 shows a plot of the net positive charge flowing in a wire versus time. Sketch the corresponding current during the same period of time.
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The charge entering a certain element is shown in the given figure, where A = 70. Find the current at 1 ms, 6 ms, and 10 ms.
The current at 1 ms is _____ A.
The current at 6 ms is _____ A.
The current at 10 ms is ______ A.
(b)
Consider the diagram of a conducting wire of Figure Q1(b)6).
i. Determine the charge of 7.573 x 1017 electrons.
ii. If this number of electrons moves uniformly from the left end of the wire to the
right end in 1 ms (millisecond), what is the current flows through the wire?
iii. How many electrons must pass a given point in 1 minute to produce a current of 10
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iv. If the charge profile across the cross section of the conductor from left to right is
given by g(t) = t + 0.2est C for t2 0 and zero for t < 0, plot the profile of the
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v. Repeat part (iv) for the charge profile (in Coulomb) sketched in Figure Q1(b)(ii).
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and carries a current of 15 A due solely to
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residential wiring.) Each electron has a
charge of -1.60 × 10-19 C. Assume that the
free-electron (these are the electrons capable
of moving through the copper) concentration
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average velocity of the electrons in the wire.
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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