A conducting loop of resistance R and radius r has its centre at the origin of the coordinate system in a magnetic field B, When it is rotated about y-axis through `90^(@)`, net charge flown in the loop is directly proportional to -

A conducting loop of resistance R and radius r has its center at the origin of the co-ordinate system in a magnetic field of induction B . When it is rotated about Y -axis through 90^(@) , net charge flown in the coil is directly proportional to

A conducting loop of resistance R and radius r has its center at the origin of the co-ordinate system in a magnetic field of induction B . When it is rotated about Y -axis through 90^(@) , net charge flown in the coil is directly proportional to

A conducting coil of resistance R and radius r has its centre at the origin of the coordinate system in a uniform magnetic field of induction B. When it is rotated about y-axis through 90^(@) , the change of flux in the coil is directly proportional to

A loop is kept so that its center lies at the origin of the coordinate system. A magnetic field has the induction B pointing along Z axis as shown in the figure

A loop is kept so that its center lies at the origin of the coordinate system. A magnetic field has the induction B pointing along Z axis as shown in the figure

A conducting circular loop of radius r carries a constant current i. It is placed in a uniform magnetic field B such that B is parallel to the plane of the loop. The magnetic torque acting on the loop is-

A conducting circular loop of radius r carries a constant current i.It is placed in a uniform magnetic field B such that B is perpendicular to the plane of the loop. The magnetic force acting on the loop is