Easy
List two methods of producing magnetic fields.
(N/A) Two methods of producing magnetic fields are as follows:
$(a)$ Using a current-carrying conductor: When an electric current flows through a conductor,it produces a magnetic field around it.
$(b)$ Using permanent magnets: Permanent magnets,such as bar magnets,naturally produce a magnetic field in the space around them.
$(a)$ Using a current-carrying conductor: When an electric current flows through a conductor,it produces a magnetic field around it.
$(b)$ Using permanent magnets: Permanent magnets,such as bar magnets,naturally produce a magnetic field in the space around them.
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