Question

The junction rules states that at a junction between several wires in a circuit, the total...

The junction rules states that at a junction between several wires in a circuit, the total current going into the junction equals the total current leaving the junction. Discuss what might happen if the rule were not true, for instance, if the current going into the junction were larger than the current leaving the junction. Explain your answer.

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Answer #1

The sum of all the currents entering any junction point is equal to the sum of all the currents leaving that junction point.

If the rule wasn't satisfied then charge would build up at the junction points, violating basic fundamental steady-state assumption.Also the distribution of charges would have been impossible to calculate leading to a great mishap.Also some charges would have been lost leading to the discontinuous or complete stoppage of electrical current till we again general emf.The process would have been unable to attain a regular steady current.

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