ANALYSIS+DESIGN OF LINEAR CIRCUITS(LL)
8th Edition
ISBN: 9781119235385
Author: Thomas
Publisher: WILEY
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Chapter 1, Problem 1.15P
The current through a device is zero for
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There is no load on the top terminal of the circuit element below for t < 0. At t = 0, a current of 125 e-2500t mA enters the top terminal.
a) Determine the total charge that accumulates in the upper terminal;
b) If the current is interrupted at t = 0.5 ms, what is the accumulated charge on the upper terminal.
Using basic circuits find the following...
1- The total charge entering a terminal between t = 1s and t 2s if the current
passing the terminal i = (10-10e-24)A is------ and the current at t=0.5s is--.-----.
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2- The energy in KJ of electric device in one hour is---------. If the current entering its positive
terminal is i= t²-3t A and voltage v=di/dt.
3- By using Kirchhoff's laws find all currents of branches in figure below
R1
2A,
100
3A
R4
R3
102
100
6A
R2
Is
100
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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- terminal is given by: q The total charge = 5tsin(4nt) mC. Calculate the current at t = 0.5s. entering aarrow_forwardThe total charge entering a terminal of an element is given by q = 2t³ – 4t mC.Find the current i at t=1 and t=2s. The current entering a terminal is given by i = 1+ Tsin(2nt) A. Find the total charge entering the terminal between t=0 and t=2.5s. 3.arrow_forwardFor the current curve shown in the figure, given that q(0)= 3.5mC. The charge q(t) at t=2ms is: 1) (A) 104 t (ms) a. 5mC. O b. 4.5mC. O c. 6mC. O d. 7.5mC. O e. 8.5mC.arrow_forward
- An inductor of 2 henrys, a resistor of 16 ohms and a capacitor of 0.02 farads are connected in series with an e.m.f. of E volts. At t=0 the charge on the capacitor and current in the circuit are zero. Find the charge and current at any time t> 0 if E= 300 (volts). Suppose q (t) and i(t) be the instantaneous charge and current respectively at time t. By Kirchhoff's law's, the differential equation for the circuit is: L + Ri+²=E; with di dt dq- q (0) = 0, i(0) = q (0) = 0 [Note: i = dtarrow_forwardFor the network of Figure 4, find the mathematical expressions for the transient behavior of the voltage v, and the current i, following the closing of the switch at position 1 at t = O sec. Find the mathematical expressions for the voltage ve and current i, as a function of time if the switch is thrown into position 2 at t = 20 msec. Draw the resultant waveforms of the voltage ve and current i̟ on the same time axis. R1 R3 2 40k 5k Ic 30V R2 Vc C1 R4 20k 0.3uf 8karrow_forwardQuestion: The current flowing into a circuit element is given by i(t) = 5sin(2pi10t)mA for t >= 0. Find the charge flowing into the device for t >= 0. Also find the total charge entered into the device at t = 0.05s. My Comments: I just don't understand this at all. Can you explain it what it means?arrow_forward
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