Question

Dynamo is a device used to convert
1. Mechanical energy into electrical energy
2. Sound energy into electrical energy
3. Electrical energy into sound energy
4. Chemical energy into electrical energy

Answer 1

Correct Answer - Option 1 : Mechanical energy into electrical energy

The correct answer is mechanical energy into electrical energy.

• Dynamo is a device used to convert mechanical energy into electrical energy.
• Dynamo device works on the principle of Fleming's right-hand rule and Faraday's law of electromagnetic induction.
• The dynamo device was discovered by Michael Faraday.

Energy transfer	Equipment
Sound energy into electrical energy	Microphone
Electrical energy into sound energy	Loudspeaker
Chemical energy into electrical energy	Battery