Physics
Grade-10
Easy
Question
Do phone and laptop chargers use energy when plugged in but not charging?
- Yes
- Not at all all do
- Most, but not all do
- Always
Hint:
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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