ElectroMagnetic InductionHard
Question
A wire of length l is moved with a constant velocity 
in a magnetic field. A potential difference appears across the two ends
in a magnetic field. A potential difference appears across the two ends Options
A.if | | 
| | B.if | | 
| | C.if | | 
| | D.none of these
Solution
If 
| | 
or 
| | 
or 
| | 
then 
is zero. Hence potential difference is zero.
| | or | | or | | then is zero. Hence potential difference is zero.Create a free account to view solution
View Solution FreeMore ElectroMagnetic Induction Questions
Consider a metal ring kept on a horizontal plane. A bar magnet is held above the ring with its length along the axis of ...For paramagnetic materials magnetic susceptibility is related with temperature as :-...The radius of the circular conducting loop shown in figure is R. Magnetic field is decreasing at a constant rate a. Resi...The efficiency of a transformer is maximum, because : -...A conducting loop is placed in uniform magnetic field with its plane perpendicular to the field. An emf is induced in th...