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This document contains an exam for a midterm in an electrical and electronic engineering course. The exam contains 5 questions related to circuit analysis, including writing nodal equations, using the principle of superposition, determining maximum power transfer, calculating input impedance, and finding mesh currents. Students are given 75 minutes to complete the exam. Diagrams of electrical circuits are provided for reference.

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11 views3 pages

Quiz

This document contains an exam for a midterm in an electrical and electronic engineering course. The exam contains 5 questions related to circuit analysis, including writing nodal equations, using the principle of superposition, determining maximum power transfer, calculating input impedance, and finding mesh currents. Students are given 75 minutes to complete the exam. Diagrams of electrical circuits are provided for reference.

Uploaded by

amr3repy4
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Electrical and Electronic Engineering

South Valley University 1st year, Mechanical Dept.


Midterm Exam 2022
Faculty of Engineering Time allowed : 75 minutes

Question NO.1
For the networks in fig.1, write the nodal equations and solve for the nodal voltages.

Question NO.2
Using the principle of superposition, find the current I2 through the 12 KΩ resistor in fig.2.

Question NO.3
The variable resistor R in fig.3 is adjusted until it absorbs the maximum power from the circuit.
a. Calculate the value of R for maximum power.
b. Determine the maximum power absorbed by R.
Question NO.4

For the circuit in fig.4, find the input impedance Zin at 5 krad/s.

Question NO.5

In the circuit of fig.5, determine the mesh currents I1 and I2 . Let 𝑣1 = 10 cos 4𝑡 𝑉 and 𝑣2 = 20 cos(4𝑡 − 30°) 𝑉

fig.1 fig.2 fig.3

fig.4 fig.5
Electrical and Electronic Engineering

South Valley University 1st year, Mechanical Dept.


Midterm Exam 2022
Faculty of Engineering (model-answer) Time allowed : 75 minutes

Question NO.1

Question NO.2
Question NO.3

Question NO.4

Question NO.5

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