Multiple choice

Directions: Choose the correct answer from the options given below:

Which among is the device which converts the mechanical energy into electrical energy?

  1. DVD

  2. Sphygmomanometer

  3. Ammeter

  4. Dynamo
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A dynamo is an electrical generator that converts mechanical energy (rotational motion) into electrical energy through electromagnetic induction. Ammeters measure current, sphygmomanometers measure blood pressure, and DVDs are optical storage media. The dynamo's principle is fundamental to power generation.

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