Multiple choice general knowledge sports

The energy used by the brain is enough to light a ______ watt bulb.

  1. 100

  2. 0

  3. 25

  4. 60

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

The human brain consumes approximately 20-25 watts of energy, which is often compared to the power needed to light a 25-watt light bulb. This energy powers neural signaling, synaptic transmission, and maintenance of cellular membrane potentials. Options A (100W) and D (60W) are too high, while B (0W) is nonsensical.