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The Kirchhoff's first law (Sigmai = 0) a...

The Kirchhoff's first law `(Sigmai = 0)` and second law `(SigmaiR = SigmaE)`, where the symbols have their usual meanings, are respectively based on

A

Conservation of charge , conservation of momentum

B

Conservation of energy , conservation of charge

C

Conservation of momentum , conservation of charge

D

Conservation of charge , conservation of energy

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The correct Answer is:
D
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MOTION-CURRENT ELECTRICITY-EXERCISE -4 (Level -I)
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  11. In the circuit shown below, the key K is closed at t =0. The current t...

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  14. If a copper wire is stretched to make it 0.1% longer wha is the percen...

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