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Electrical Engineering (EE) Exam  >  Electrical Engineering (EE) Tests  >  Network Theory (Electric Circuits)  >  Test: Superposition Theorem - Electrical Engineering (EE) MCQ

Test: Superposition Theorem - Electrical Engineering (EE) MCQ


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10 Questions MCQ Test Network Theory (Electric Circuits) - Test: Superposition Theorem

Test: Superposition Theorem for Electrical Engineering (EE) 2024 is part of Network Theory (Electric Circuits) preparation. The Test: Superposition Theorem questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Superposition Theorem MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Superposition Theorem below.
Solutions of Test: Superposition Theorem questions in English are available as part of our Network Theory (Electric Circuits) for Electrical Engineering (EE) & Test: Superposition Theorem solutions in Hindi for Network Theory (Electric Circuits) course. Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free. Attempt Test: Superposition Theorem | 10 questions in 10 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study Network Theory (Electric Circuits) for Electrical Engineering (EE) Exam | Download free PDF with solutions
Test: Superposition Theorem - Question 1
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 In superposition theorem, when we consider the effect of one current source, all the other voltage sources are____________

Detailed Solution for Test: Superposition Theorem - Question 1

 In superposition theorem, whether we consider the effect of a voltage or current source, voltage sources are always shorted and current sources are always opened.

Test: Superposition Theorem - Question 2
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Find the value of Vx due to the 16V source.​

Detailed Solution for Test: Superposition Theorem - Question 2

When we consider the 16V source, we short the 10V source and open the 15A and 3A source. From the resulting series circuit we can use voltage divider to find Vx.
Vx= 16*20/(20+80)=3.2A.

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Test: Superposition Theorem - Question 3
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Find Vx due to the 3A source.​

Detailed Solution for Test: Superposition Theorem - Question 3

Due to the 3A source, we short the 16V and 10V source and open the 15A source. From the resulting circuit, we can use current divider to find the current in the 20 ohm branch and then multiply it with the resistance to find the voltage.
I20= 3*80/(20+80)=2.4A
Vx=20*2.4=48V.

Test: Superposition Theorem - Question 4
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 Find the value of Vx due to the 10V source.​
Detailed Solution for Test: Superposition Theorem - Question 4

Due to the effect of the 10V source, we short the 16V source and open the 3A and 15A source. From the resulting series circuit, we can use voltage divider to find the value of Vx.
Vx=10*20/(80+20)=2V.

Test: Superposition Theorem - Question 5
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Find the voltage due to the 15A source.

basic-electrical-engineering-questions-answers-superposition-theorem-q5
Detailed Solution for Test: Superposition Theorem - Question 5

Due to the 15V source, the 10V and 16V sources get shorted and the 3A source acts as an open circuit. Since the 10V source is shorted, it acts as a low resistance path and current flows only within that loop and do not flow to the 20 ohm resistor. Hence the voltage is 0V.

Test: Superposition Theorem - Question 6
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Find the voltage due to the 15A source.
Detailed Solution for Test: Superposition Theorem - Question 6

Due to 15 A current source, 10V and 16V sources get shorted and the 3A source acts as an open circuit. Since the 10V source is shorted, it acts as a low resistance path and current flows only within that loop and do not flow to the 20 ohm resistor. Hence the voltage is 0V.

Test: Superposition Theorem - Question 7
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Superposition theorem is valid for_________
Detailed Solution for Test: Superposition Theorem - Question 7

Superposition theorem is valid only for linear systems because the effect of a single source cannot be individually calculated in a non-linear system.

Test: Superposition Theorem - Question 8
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Find Vx due to the 3A source.
Find Vx due to the 3A source in given circuit
Detailed Solution for Test: Superposition Theorem - Question 8

Due to the 3A source, we short the 16V and 10V source and open the 15A source.
From the resulting circuit, we can use current divider to find the current in the 20 ohm branch and then multiply it with the resistance to find the voltage.

I20 = 3*80/(20+80)=2.4A

Vx=20*2.4=48V.

Test: Superposition Theorem - Question 9
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Superposition theorem does not work for________
Detailed Solution for Test: Superposition Theorem - Question 9

Power across an element is not equal to the power across it due to all the other sources in the system. The power in an element is the product of the total voltage and the total current in that element.

Test: Superposition Theorem - Question 10
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Find the value of Vx due to the 10V source.
Find the value of Vx due to the 10V source due to the effect of the 10V source
Detailed Solution for Test: Superposition Theorem - Question 10

Due to the effect of the 10V source, we short the 16V source and open the 3A and 15A source.
From the resulting series circuit, we can use voltage divider to find the value of Vx.
Vx=10*20/(80+20)=2V.

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Important Questions for Superposition Theorem

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Superposition Theorem MCQs with Answers

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