Question

LIST TWO SOURCES OF MAGNETIC FIELD

Answer 1

electric bell and electromagnet are the 2 applications of magnetic effect
and wire and battery are required to form magnetic field

Answer 2

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✒Here is your answer ⤵

♦♦Three methods of producing magnetic field are as follows:

(1) by put a permanent bar magnet at the place, where magnetic field is required.

(2)Magnetic field is produced around a

current-carrying straight conductor.

(3) due to flow of current in a solenoid.

I hope, this will help you

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