A fan blade of length 2a rotates with frequency f cycles per second perpendicular to a magnetic field B. Find the p.d between the centre and the end of the blade.

A fan blade of length 2 a rotates with frequency f cycle' per second perpendicular to magnetic field B . Then, potenial difference between centre and end of blade is

A fan blade of length 1//sqrt(pi) metre rotates with frequncy 5 cycle per second perpendicular to a magnetic field 10 tesla. What is potential diffrence between the centre and the end of blade ?

A fan of metal blades of length 0.4 m rotates normal to a magnetic field of 4xx10^(-3) T. If the induced emf between the centre and edge of the blade is 0.02 V, determine the rate of rotation of the blade.

A rod of length l is rotated about its one end, perpendicular to a magnetic field of induction B What is the e.m.f induced in the rod

A copper rod of length L rotates with an angular with an angular speed 'omega' in a uniform magnetic field B. find the emf developed between the two ends of the rod. The field in perpendicular to the motion of the rod.

A copper rod of length L rotates with an angular with an angular speed 'omega' in a uniform magnetic field B. find the emf developed between the two ends of the rod. The field in perpendicular to the motion of the rod.