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GK QUESTION#2984

Whose law states that at a junction in an electric circuit, the sum of the currents flowing into the junction is equal to the sum of the currents flowing out of the junction?

  1. AMichael Faraday
  2. BGeorg Simon Ohm
  3. CVictor Hess
  4. DGustav Robert KirchhoffCorrect answer
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Answer

D. Gustav Robert Kirchhoff

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Explanation

Kirchhoff’s junction rule expresses charge conservation: in a steady circuit, the total current entering a junction equals the total leaving it. Ohm’s law relates voltage, current and resistance; Faraday’s law concerns induction.

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