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Calculate the voltage across the 10 ohm resistor.

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Calculate the voltage across the 10 ohm resistor.

(a) 12V

(b) 4V

(c) 10V

(d) 0V

I had been asked this question in an interview for job.

I'm obligated to ask this question of Kirchhoff’s Voltage Law in chapter Simple DC Networks of Basic Electrical Engineering

1 Answer

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Right answer is (b) 4V

Explanation: Total resistance = 5+10+15 = 30 ohm. Current in the circuit is 12/30 A.

Voltage across 10 ohm resistor is 10*(12/30) = 4V.

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