Question

state orsted's consolation on magnetic effect of current​

Answer 1

Answer:

Arrangement : A straight wire AB is connected to a battery V and key K. This shows that a magnetic field is associated with an electric current. ... When direction of current in wire is reversed, direction of deflection of needle is also reversed.

Explanation:

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Answer 2

Answer:

A straight wire AB is connected to a battery V and key K. This shows that a magnetic field is associated with an electric current. ... When direction of current in wire is reversed, direction of deflection of needle is also reversed.