The earths magnetic field strength is 5.010^-5 T. How fast
would you have to drive your car to create a 4.0 motional emf along your 1.0 -long radio antenna Assume that the motion of
the antenna is perpendicular to .
N-=3
= BAcos e
0= BA cos 0 = Blx
dt = 3
d(BLx) = =-BLY
3
N-=3
= BAsine
= BAcos e