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Find the effective resistance connected across source.
Ans: 6 ohms

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Calculate the effective resistance between terminals 'a' and 'b'.
Ans: 4.12 ohms

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(a) Convert a voltage source of 20v and internal Resistance 2ohms into a current source.

(b) Convert a currnet source of 12A and internal resistance of 20 ohms tnto an equivalent Voltage source.

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1. Series and Parallel reduction of networks
2. Star Delta Transformation
3. Voltage and current division rule
4. Source Transformations
KCL, KVL, Nodal and Mesh Analysis -- for self preparation
5. Thevenin's Theorem, Norton's Theorem, Superposition Theorem and Maximum Power transfer theorem.

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question 1 & 2

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Boys did you try to solve the problems posted here?
each one of you, Solve them and upload them here only, as practised in your first class.

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Tutorial Sheet-1 [Effective Resistance, Star delta transformations, Source transformations]

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Tutorial Sheet-1 [Effective Resistance, Star delta transformations, Source transformations]

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Tutorial Sheet-3 [AC circuits, Three Phase Systems]

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Tutorial Sheet-3 [AC circuits, Three Phase Systems]

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1. Series and Parallel Resistance
2. Source Transformation
3. Star-Delta Transformation

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Every Lecture presentation from my side is posted on google class.
all of you start reading and practicing problems.
If you have any doubts then, please post them in Padlet at least a day before the class, those doubts would be discussed by me or any other colleague of your class.

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Sir we need more numericals from unit 1 along with solutions so that it will help us in knowing our calculation mistakes and helps in improving our practical skills on numericals like
1. Star to Delta Transformation
2. Delta to Star Transformation
3. Mesh, node analysis

Sure. As I told you people, I will upload a tutorial sheet with all kinds of numericals.