Multiple choice

How does the cold setting work on a blow dryer?

  1. stops all flow of current to the heating element and to the blower

  2. increases the flow of current to the blower and to the heating element

  3. stops all flow to the heating element but still allows flow to the blower

  4. increases flow to heating element and still flows current to the blower
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The cold setting on a blow dryer works by disconnecting the heating element from the circuit while keeping the fan (blower) running.

Keep practicing — related questions