How can it be shown that a magnetic field exists around a wire through which a direct electric current is passing?

How can it be shown that a magnetic field exists around a wire through

1.	How can it be shown that a magnetic field exists around a wire through which a direct electric current is passing?
Answer» Magnetic FIELD is PRODUCED as a result of CHNGE in current as DC current is CONTINUOUS through out therefore, there is no magnetic field AROUND conductor

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How can it be shown that a magnetic field exists around a wire through which a direct electric current is passing?

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