MDCAT Physics MCQ #480

A wire of resistance 10 ohms is cut into two equal parts and connected in parallel. What is the equivalent resistance?

MDCAT Physics MCQ #480

  1. Question 1

    Q1. A wire of resistance 10 ohms is cut into two equal parts and connected in parallel. What is the equivalent resistance?

    • A) 2.5 ohms
    • B) 5 ohms
    • C) 10 ohms
    • D) 20 ohms

    Answer: 2.5 ohms

    Explanation: Each part has R = 5 ohms, in parallel, R_eq = 5*5/(5+5) = 2.5 ohms.