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Introduction to Electrical Circuit Analysis [EXP-41162]
261 SOLVED PROBLEMS
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Question: 4.72
A challenging problem need not involve a large circuit. Consider the following circuit . Find ix.
Verified Answer:
This example contains only three loops but needs a...
Question: 4.72
A challenging problem need not involve a large circuit. Consider the following circuit. Find ix.
Verified Answer:
This example contains only three loops but needs a...
Question: 1.E.1
A device has a power of 60W when it is active and 10W when it is on standby. An engineer measures that it spends a total of 2664 kJ energy in 24 hours. How many hours was the device actively used?
Verified Answer:
10 hours
Question: 3.48
As a final example, consider the following circuit. Find the power of the 12V voltage source.
Verified Answer:
This circuit can be solved via nodal analysis as f...
Question: 6.99
Consider a 1 F capacitor.The current across the capacitor is given by iC(t) = { 1, 0 < t < 1 s 0, otherwise (A). Find and plot the voltage across the capacitor if vC(0) = 0.
Verified Answer:
First, we note that
v_{C}(t)=0
for ...
Question: 6.103
Consider a 1H inductor. The current across the inductor is given by iL(t) = { t, 0 ≤ t ≤ 2 s 5/2 − t/4, 2 ≤ t ≤ 10 s 0, t ≥ 10 s (A). Find and plot the voltage across the inductor, as well as its power and energy for t > 0.
Verified Answer:
Using the expression for the voltage of an inducto...
Question: 1.4
Consider a circuit involving a 10V voltage source connected to a 5 Ω resistor.
Verified Answer:
Note that voltage and current directions are defin...
Question: 6.100
Consider a time-dependent current across a 1 F capacitor given by iC(t) = { 1, 0 < t < 1 s −1, 1 < t < 3 s 0, otherwise. (A). Assuming vC(0) = 0, find and plot the voltage across the capacitor, as well as the power of the capacitor and the stored energy.
Verified Answer:
We again have
v_{C}(t)=0
for [latex...
Question: 6.101
Consider a time-dependent current across a 2 μF capacitor given as iC(t) = { t, 0 < t < 1 s 1, 1 < t < 3 s −t + 4, 3 < t < 4 s 0, otherwise. (μA). Assuming vC(0) = 1V, find and plot the voltage across the capacitor. In addition, find the power during 1 < t < 3 s, as well as the energy stored or re
Verified Answer:
We have
v_{C}(t)=1 \mathrm{~V}
for ...
Question: 3.42
Consider the following circuit . Find ix.
Verified Answer:
Using nodal analysis, we once again define the gro...
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