Question

Two ways of increasing the strength of electromagnet

Answer 1

Answer:

• By increasing the number of loops around the iron core.
• Increasing the flow of current.

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Answer 2

Answer:

"

Explanation:

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