The Kirchhoff's first law (Σ i = 0) and second law (Σ iR = Σ E), 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

Answer: (d). Σ i = 0: conservation of charge at a junction. Σ iR = Σ E: conservation of energy round a loop. So the answer is (d).

The Kirchhoff's first law (Σ i = 0) and second law (Σ iR = Σ E)… | JEE Main 2004 (AIEEE)

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Kirchhoff's Laws & Measuring Instruments

The Kirchhoff's first law $\left(\sum i = 0\right)$ and second law $\left(\sum iR = \sum E\right),$ where the symbols have their usual meanings, are respectively based on

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Answer: (d)

$\sum i = 0$ : conservation of charge at a junction.
$\sum iR = \sum E$ : conservation of energy round a loop.
So the answer is (d).

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