Multiple choice

Your brain produces enough energy to power...

  1. an LED light bulb

  2. a Tesla Model S

  3. an iPhone

  4. a laptop

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

The human brain generates approximately 12 to 25 watts of electrical power when awake. This is enough energy to illuminate a low-wattage LED light bulb, but not nearly enough to power larger electronics like laptops or cars.