Multiple choice general knowledge science & technology

When a current is supplied by a battery, _______ energy is converted to electrical energy.

  1. mechanical

  2. chemical

  3. thermal

  4. nuclear

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Batteries convert stored chemical energy into electrical energy through electrochemical reactions. When the battery discharges, chemical reactions release electrons that flow as current, converting potential chemical energy into usable electrical energy for external circuits.