Question

Which metal is commonly used for making an electromagnet?

A. Copper
B. Cobalt
C. Iron
D. Nickel​

Answer 1

Answer:

D.Nickle..

Hope it's help u....

Answer 2

Answer:

D. Nickel

Explanation:

Nickel is a metal which is commonly used for making an electromagnet. As we know that nickel is a magnetic material whereas Copper, Cobalt and Iron are not a magnetic material. So, these metals are not used for making electromagnets. As we know that electromagnets are one of the temporary magnets. When switch is on, electromagnets attract all the magnetic materials, but when it is switch off, it doesn't attract the magnetic materials.