A rod of 10 cm length is moving perpendicular to uniform magnetic field of intensity `5xx10^(-4)"Wbm"^(-2)`. If the acceleration of the rod is `5ms^(-2)`, then the rate of increase of induced emf is

A rod of 10 cm length is moving perpendicular to uniform magnetic field of intensity 5xx10^(-4)"Wbm"^(-2) . If the acceleration of the rod is 5ms^(-1) , then the rate of increase of induced emf is

A coil having 50 turns and an area of 800 cm^(2) is held with its plane perpendicular to uniform magnetic field of induction 5xx10^(-5)Wb//m^(2) . If it is pulled out of the field in 2 second, then the emf induced in the coil will be

A metal rod 1/(sqrt(pi)) m long rotates about one of its ends in a plane perpendicular to a magnetic field of induction 4 xx 10^(-3)T . If the emf induced between the ends of the rod is 16 mv, then the number of revolutions made by the rod per second is

A coil of area 500 cm^(2) having 1000 turns is put perpendicular to a magnetic field of intensity 4xx10^(-5) T. if it is rotated by 180^(@) in 0.1 s, the induced emf produced is

A conductor is moving with a uniform velocity of 10 m//s at right angles to magenetic field of inducation 0.4 xx 10^(-4) Wb//m^(2) . If the e.m.f. Induced in the conductor is 6 xx 10^(-5)V , then the length of the conductor is

A coil of area 0.04 m^(2) having 1000 turns is suspended perpendicular to a magnetic field of 5.0xx10^(-5) Wbm^(-2) . It is rotated through 90^(@) in 0.2 s. Calculate the average emf induced in it.

A conductor of length 5 cm is moved paralllel to itself with a speed of 2m//s , perpendicular to a uniform magnetic field of 10^(-3) Wb//m^(2). the induced emf generated is

A metal rod of length 1m is rotated about one of its ends in a plane at right angles to a uniform magnetic field pf induction 2.5 xx 10^(-3) Wb m^(-2) . If it makes 1800 rpm, then the induced emf between its ends approximately is

A rod of cross sectional area 10cm^(2) is placed with its length parallel to a magnetic field of intensity 1000 A//M the flux through the rod is 10^(4) webers. The the permeability of material of rod is

A rod of cross sectional area 10cm^(2) is placed with its length parallel to a magnetic field of intensity 1000 A/M the flux through the rod is 10^(4) webers. Then the permeability of material of rod is