State kirchoff's rules for electrical network? …
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Yogita Ingle 6 years, 10 months ago
For electrical network, Kirchhoff’s rules are as follows:
(i) Junction rule : At any junction, the sum of the currents entering the junction is equal to the sum of currents leaving the junction
∴ Σ I = 0
(ii) Loop rule: The algebraic sum of changes in potential around any closed loop involving resistors and cells in the loop is zero.
∴ Σ IR + Σ E = 0
According to Kirchhoff’s rule, I1 + I2 = I3
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