Why can a compass needle indicate electric current even without a magnet?

It has a built-in battery

It is influenced by the electric field

It is a magnetic material itself

It requires a permanent magnet

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Q1.

What happens to a compass needle when an electric current flows through a wire nearby?

Q2.

Which material is typically used to make the coil in an electromagnet?

Q3.

What effect does turning off the electric current have on the compass needle?

Q4.

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