state & explain krichoffs first law and state its
sign conventions
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Kirchhoff's first law (or current law or juction law) : The algebraic sum of the currents at any juction is zero. Sign conversion: A current entering the juction is taken as positive while a current leaving the junction is taken as negative.
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Kirchhoff's first law (or current law or juction law) : The algebraic sum of the currents at any juction is zero. ... Sign convention : (a) In going round a loop, if we traverse a resistor in the direction of the current through it, the potential difference (p.d) across the resistor is taken as negative.
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