. A metallic rod of length I and resistance R is rotated with a frequency v, with one end hinged at the centre and the other end at the circumference of a circular metallic ring of radius I, about an axis passing through the centre and perpendicular to the plane of the ring. A constant and uniform magnetic field B parallel to the axis is present everywhere. Derive the expression for the induced emf and the current in the rod.
. A metallic rod of length I and resistance R is rotated with a frequency v, with one end hinged at the centre and the other end at the circumference of a circular metallic ring of radius I, about an axis passing through the centre and perpendicular to the plane of the ring. A constant and uniform magnetic field B parallel to the axis is present everywhere. Derive the expression for the induced emf and the current in the rod.
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Transcribed Image Text:Q. 3. A metallic rod of length 1 and resistance Ris
rotated with a frequency v, with one end hinged at
the centre and the other end at the circumference
of a circular metallic ring of radius I, about an axis
passing through the centre and perpendicular
to the plane of the ring. A constant and uniform
magnetic field B parallel to the axis is present
everywhere.
(i) Derive the expression for the induced emf and the
current in the rod.
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