everyday science MCQ #1253

A loudspeaker changes ______ energy into sound energy.

everyday science MCQ #1253

  1. Question 1

    Q1. A loudspeaker changes ______ energy into sound energy.

    • A) Chemical
    • B) Light
    • C) Electrical
    • D) Kinetic

    Answer: Electrical

    Explanation: A loudspeaker converts electrical energy (alternating current signals) into mechanical vibrations of a cone/diaphragm, which then produce sound waves in the surrounding air.