己知:1=10cm,v=1.5m/s,B=2.5×10-2T 求:UAC 解:& =Blv(1+cos30) =B11+S)】 =1.5×2.5×102x10x10-21+号) =7.0×10-3(V0 UA>U 结束目录B v 1 300 e = l ( +cos ) 已知: l =10cm, v =1.5m/s, B =2.5×10-2 T 求:UAC 解: 2 3 = Bl v(1+ ) UA >UC =1.5×2.5×10-2×10×10-2 2 3 (1+ ) = 7.0×10-3 (V) 结束 目录