Question

7. State two ways in which the strength of the
magnetic field of an electromagnet can be
increased​

Answer 1

Answer:

State two ways of increasing the strength of an electromagnet. ... Strength of electromagnet: The strength of the electromagnet net can be increased: By increasing the current in the coil. By increasing the total number of turns of the coil.

Explanation:

20 ❤️ + follow = ib ✉️

Answer 2

Answer:

The strength of an electromagnet can be increased by increasing the number of loops of wire around the iron core and by increasing the current or voltage. You can make a temporary magnet by stroking a piece of iron or steel (such as a needle) along a permanent magnet.