Physics
Grade-10
Easy

Question

Do phone and laptop chargers use energy when plugged in but not charging?

  1. Yes
  2. Not at all all do
  3. Most, but not all do
  4. Always 

hintHint:

Yes, some of them

The correct answer is: Most, but not all do


    • Yes. There are still components in the laptop charger that uses a "little" energy when it is plugged in.
    • For example, small LED indicator bulbs.

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