MDCAT Physics MCQ #571

A circuit breaker is used to protect a household circuit from overcurrent. What is the primary function of this breaker?

MDCAT Physics MCQ #571

  1. Question 1

    Q1. A circuit breaker is used to protect a household circuit from overcurrent. What is the primary function of this breaker?

    • A) To regulate the voltage
    • B) To filter out AC noise
    • C) To amplify the current
    • D) To interrupt the current in case of overcurrent

    Answer: To interrupt the current in case of overcurrent

    Explanation: Breaker interrupts current to prevent damage