Phy 202 & 214 OTQ
29
3-31 - 08
1. OTQ # 29 = 20 pg 994 in S&J
Assume R = 6 ohms , l = 1/2 m and the
uniform 2.5 T magnetic field is directed into the page. At what speed must the bar be moved to
produce a current of .5 A in the resistor? (Hint: emf
induced = B l v