MCQ
Electric Bell works on the principle:
  • A
    Electrical energy is converted into mechanical energy.
  • Electrical energy is converted into sound energy.
  • C
    Mechanical energy is converted into sound energy.
  • D
    Sound energy is converted into electrical energy.

Answer

Correct option: B.
Electrical energy is converted into sound energy.
Electrical energy is converted into sound energy.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free