I figured out pretty much everything except for number 18 part e. if anyone knows how to do that one a little advice would be much appreciated.

Thanks.

12/7/2005 9:47:02 PM

try posting the question


and i have like 5 practice exams

12/7/2005 10:48:02 PM

12/7/2005 11:41:27 PM

you have to use the formula for Bwire and multipy it times 2 for the bottom and top wire

12/8/2005 2:26:50 AM

i think the answer on the practice final key is off

12/8/2005 11:14:53 AM

anybody know how to do 9c) find the mobility of the mobile charges

12/8/2005 11:39:59 AM

Fe=Fmag so qE(perp)=qBV so E(perp)=BV. then u can get the velocity. and V=uEparallel so u=v/Eparallel. Eparallel=220/.12

12/8/2005 11:49:45 AM

thanks

12/8/2005 12:03:34 PM