MDCAT Physics MCQ #545

Three identical bulbs are connected in series and in parallel to same battery. How does brightness compare?

MDCAT Physics MCQ #545

  1. Question 1

    Q1. Three identical bulbs are connected in series and in parallel to same battery. How does brightness compare?

    • A) Series bulbs are brighter
    • B) Parallel bulbs are brighter
    • C) Brightness depends on bulb color
    • D) All configurations have equal brightness

    Answer: Parallel bulbs are brighter

    Explanation: Parallel bulbs receive full voltage while series bulbs share voltage. Option A reverses the voltage relationship.