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 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 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

The area of a coil changes from A to (A+dA) in dt sec in a uniform magnetic field of induction vecB . If R is the resistance of the coil, the charge flowing through the coil is

A conducting circular loop of radius r is rotated about its diameter at a constant angular velocity omega in a magnetic field B perpendicular to the axis of rotation. In what position of the loop is the induced emf zero?

A conducting circular loop of radius r is rotated about its diameter at a constant angular velocity omega in a magnetic field B perpendicular to the axis of rotation. In what position of the loop is the induced emf zero?

A circular coil of 200 turns and mean radius 30 cm is placed in a uniform magnetic field of induction 0.02 T and is free to rotate about an axis coinciding with its own plane, but perpendicular to the uniform magnetic field. The coil is in closed circuit having a total resistance of 50 Omega . if the plane of the coil is initially perpendicular to the field find the charge flown through the circuit, when the coil is rotated through (i) 60^@ (ii) 180^@ .

A conducting circular loop of raidus r is rotated about its diameter at a constant angular velocity omega in a magnetic field B perpendicular to the axis of rotation. In what position of the loop is the inducedj emf zero?