Question

Does it matter if you leave a cell phone charger in a wall socket when the phone is

not charging?
No, if the phone is not charging the charger does not consume any power.
No, all chargers are considered "smart chargers" and automatically shut off when
not in use.
Yes, even if the phone is in not charging, the charger uses power.
No, it has no affect on energy consumption.

Answer 1

b

Step-by-step explanation:

No, all chargers are considered "smart chargers" and automatically shut off when

not in use.