[" A conducting ring is placed around the core of "],[" an electromagnet as shown in the figure."],[" When key "K" is pressed,the ring "]

A conducting ring is placed around the core of an electromagnet as shown in fig. qhen key K is pressed, the ring

A closed conducting ring is placed in between two bar magnets as shown in the figure. The pole strength of M_1 is double that of M_2 . When the two bar magnets are at same distance from the centre of the ring, the bar magnet M_1 has given a velocity 2v while M_2 is given velocity v in the direction as shown in the figure. The direction of induced current in the ring as seen from XX from this moment to the moment till bar magnets collide is

A closed conducting ring is placed in between two bar magnets as shown in the figure. The pole strenght of M_(1) is double that of M_(2) . When the two bar magnets are at same distance from the centre of the ring, the bar magnet M_(1) has given a velocity 2v while M_(2) is given velocity v in the direction as shown in the figure. The direction of induced current in the ring as seen from X X from this moment to the moment till bar magnets collide is

A conducting ring is moving from left to right through a uniform magnetic field, as shown in the figure. In which regions is there an induced current in the ring?

A non conducting rod AB of length sqrt(3)R , uniformly distributed charge of linear charge density lambda and a non-conducting ring of uniformly distributed charge Q , are placed as shown in the figure. Point A is the centre of ring and line AB is the axis of the ring, perpendicular to plane of ring. The electrostatic interaction energy between ring and rod is

A conducting ring is placed in a uniform magnetic field with its plane perpendicular to the field . An emf is induced in the ring if

A conducting ring is placed in a uniform magnetic field with its plane perpendicular to the field . An emf is induced in the ring if

A conducting straight wire PQ of length l is fixed along as diameter of a non conducting ring as shown in the figure. The ring is given a pure rolling motion as shown. Field B is horizontal in direction and perpendicular to the plane of ring. The magnitude of induced EMF in the wire PQ at the position shown in figure will be

A conducnting straight wire PQ of length l is fixed along as diameter of a non conducting ring as shown in the figure. The ring is given a pure rolling motion on as horizontal masgnetic field B in horizontal direction perpendicular to the plane of ring. The magnitude of induced emf in the wire PQ at the position shown in figure will be