Question

a permanent magnet can affect

Answer 1

Explanation:

permanent magnets can create and perpetually maintain their own magnetic field. However, there are a few things that can affect magnet strength they are temperature,water or moisture and other magnets

Answer 2

Answer:

I hope it's helpful to you.

Explanation:

They have magnet power in the presence of an electric current and lose their power when this current stops. As you have inferred by their by their name, permanent magnets can create and perpetually maintain field.

However, there are a few things that can affect magnet strength.

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