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ECA Lab Session: Superposition Theorem Superposition Theorem

The document discusses the superposition theorem. It defines the theorem as stating that in a linear network with multiple sources, the current at any point is the sum of the currents that would flow with each source acting alone. It provides the steps to use superposition theorem to find the response in a particular branch: 1) find the response with one source and other sources shorted, 2) repeat for each source, 3) sum the responses to get the overall response. The document also includes questions and answers about superposition theorem and when it can be applied.

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Nirav Chauhan
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44 views11 pages

ECA Lab Session: Superposition Theorem Superposition Theorem

The document discusses the superposition theorem. It defines the theorem as stating that in a linear network with multiple sources, the current at any point is the sum of the currents that would flow with each source acting alone. It provides the steps to use superposition theorem to find the response in a particular branch: 1) find the response with one source and other sources shorted, 2) repeat for each source, 3) sum the responses to get the overall response. The document also includes questions and answers about superposition theorem and when it can be applied.

Uploaded by

Nirav Chauhan
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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ECA Lab Session

Superposition Theorem
Superposition Theorem
Aim: To study Superposition theorem practically.

Statement:
In a network of linear resistances containing more than one
generator (or source of e.m.f.), the current which flows at any point is
the sum of all the currents which would flow at that point if each
generator were considered separately and all the other generators
replaced for the time being by resistances equal to their internal
resistances.
Superposition Theorem
Procedure of Superposition Theorem
Procedure of Superposition Theorem:

Follow these steps in order to find the response in a particular


branch using superposition theorem.

Step 1 − Find the response in a particular branch by considering one


independent source and eliminating the remaining independent
sources present in the network.

Step 2 − Repeat Step 1 for all independent sources present in the


network.

Step 3 − Add all the responses in order to get the overall response in
a particular branch when all independent sources are present in the
network.
Questions on Superposition Theorem
1. In Superposition theorem, while considering a source, all other
voltage sources are?
Ans. In Superposition theorem, while considering a source, all other
voltage sources are short circuited. This theorem is valid for linear
systems.

2. Superposition theorem is applicable on which type of network?


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

3. Superposition theorem does not work for?


Ans. 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.
Superposition Theorem
Superposition Theorem
Superposition Theorem
Superposition Theorem
Superposition Theorem
Superposition Theorem
Conclusion: Hence the theoretical and practical result verified.

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