Question 13026 of 844 · Washington 01 Journey Level Electrician Exam

A 4 ohm resistor is connected in series with a parallel group of 6 ohms and 12 ohms, and the circuit is supplied at 120 volts. What is the total current?

Exactly one answer is correct.

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Correct answer to question 13026

  • B: 15 A

Explanation

The parallel group is (6 x 12) / (6 + 12) = 4 ohms, so the total is 4 + 4 = 8 ohms and I = 120 / 8 = 15 A. Treating all three as series (22 ohms) gives 5.45 A.

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