Question 13025 of 790 · California General Electrician Exam

A 10 ohm and a 15 ohm resistor are connected in parallel. What is the equivalent resistance?

Exactly one answer is correct.

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Correct answer to question 13025

  • A: 6 ohms

Explanation

For two parallel resistors, R = (R1 x R2) / (R1 + R2) = 150 / 25 = 6 ohms. The average of the two (12.5 ohms) and the sum (25 ohms) are common errors.

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