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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A flexible wire bent in the formm of a circle is placed in a uniform magnetic field perpendicular to the plane of the coil. The radius of the coil changes as shown in fig. The graph of induced emf in the coil is represented by

A flexible wire bent in the formm of a circle is placed in a uniform magnetic field perpendicular to the plane of the coil. The radius of the coil changes as shown in fig. The graph of induced emf in the coil is represented by

A rectangular loop is being pulled at a constant speed v in which a uniform magnetic field B is aet up.The graph between position x of the right hand edge of the loop and the induced emf E will be through a region of region thickness d