40) A rod of length is l is rotating about an axis at P distance  l from one end as shown in figure. if angular speed of rod is ω and magnetic field is B0 out of the page, find emf developed between two points of rod./
( 1 )   1 2 B ω l 2 ( 2 )   B ω 2 ( 3 )   3 2 B ω l 2 ( 4 )   Z e r o


Dear Student,


take a dr element at distance r from the centerinduced EMFdE=0lBrωdrE=Bl2ω2Regards

  • -14
What are you looking for?