Multiple choice

What is the source of electric energy in an artificial satellite?

  1. Dry cells

  2. Voltaic cells

  3. Dynamo

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

Artificial satellites primarily use solar cells to generate electricity because they can operate continuously in space where sunlight is abundant. Solar cells convert sunlight directly into electrical energy. Dry cells and voltaic cells would run out quickly, while dynamos require mechanical input.

Keep practicing — related questions