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a wire is bent as a parabolic curve kept in xy plane. the curve can be described by the equation x^2=6y. if a uniform magnetic field B=2*10^3 k tesla (positive z direction) is applied, force experienced by the wire is nearly?
 one year ago
 one year ago
a wire is bent as a parabolic curve kept in xy plane. the curve can be described by the equation x^2=6y. if a uniform magnetic field B=2*10^3 k tesla (positive z direction) is applied, force experienced by the wire is nearly?
 one year ago
 one year ago

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yrelhan4Best ResponseYou've already chosen the best response.0
oops. the wire carries a current i=2A
 one year ago

yrelhan4Best ResponseYou've already chosen the best response.0
dw:1359707566710:dw
 one year ago

shubhamsrgBest ResponseYou've already chosen the best response.1
So the wire extends from (6,6) to (6,6) only right ?
 one year ago

yrelhan4Best ResponseYou've already chosen the best response.0
we dont know the x coordinates.
 one year ago

shubhamsrgBest ResponseYou've already chosen the best response.1
Oh am sorry, I don't know why assumed the height to be 6, nevermind.
 one year ago

shubhamsrgBest ResponseYou've already chosen the best response.1
Okay, so the working formula is F = iBl
 one year ago

shubhamsrgBest ResponseYou've already chosen the best response.1
Where are you stuck ?
 one year ago

yrelhan4Best ResponseYou've already chosen the best response.0
what should be l? or i always use idl * b. dl here..
 one year ago

shubhamsrgBest ResponseYou've already chosen the best response.1
l = distance between 2 ends of wire.
 one year ago

yrelhan4Best ResponseYou've already chosen the best response.0
we should have x coordinates then?
 one year ago

shubhamsrgBest ResponseYou've already chosen the best response.1
nopes. distance between the ends is already given right,
 one year ago

shubhamsrgBest ResponseYou've already chosen the best response.1
dw:1359708383481:dw
 one year ago

shubhamsrgBest ResponseYou've already chosen the best response.1
Is that 6 ? or the coordinate on y axis (0,6) ?
 one year ago

yrelhan4Best ResponseYou've already chosen the best response.0
coordinate on y axis.
 one year ago

shubhamsrgBest ResponseYou've already chosen the best response.1
I see, then use the given eqn, find coordinates of x, as I said before, they should come out to be (6,6) and (6,6)
 one year ago

yrelhan4Best ResponseYou've already chosen the best response.0
ohho.. ok. damn. it was easy. :P thank you.
 one year ago

shubhamsrgBest ResponseYou've already chosen the best response.1
you should also be able to find out direction of force, can you tell me what will that be ?
 one year ago

shubhamsrgBest ResponseYou've already chosen the best response.1
Note that direction of force is different at different points on the force, j is the direction of net force. Anyways, glad to help.
 one year ago

shubhamsrgBest ResponseYou've already chosen the best response.1
different at different points of the wire*
 one year ago
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