Question

045. What advantage does an electromagnet have over a permanent magnet
A) A permanent magnet cannot be used to pick up Nickel
B)An electromagnet can be used for picking up more metale
C) An electromagnet can be switched off.
D) An electromagnet is lighter.
bymadation​

Answer 1

Explanation:

An electromagnet can be used for picking up more metale

Follow me ❤❤