Which one of the following conclusions was established by Oersted’s experiment…
PHYSICS · Single correct · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current
Problem
Which one of the following conclusions was established by Oersted’s experiment conducted in 1820?
(a) A steady electric current produces a magnetic field only if the conductor is wound into a coil.
(b) A varying electric current is required to produce a magnetic field around a conductor.
(c) A steady electric current produces a magnetic field around the conductor.
(d) A steady electric current produces an electric field around the conductor but the magnetic field exists only inside the wire.