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 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
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?

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yrelhan4
 one year ago
Best ResponseYou've already chosen the best response.0oops. the wire carries a current i=2A

yrelhan4
 one year ago
Best ResponseYou've already chosen the best response.0dw:1359707566710:dw

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

yrelhan4
 one year ago
Best ResponseYou've already chosen the best response.0we dont know the x coordinates.

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

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

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

yrelhan4
 one year ago
Best ResponseYou've already chosen the best response.0what should be l? or i always use idl * b. dl here..

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

yrelhan4
 one year ago
Best ResponseYou've already chosen the best response.0we should have x coordinates then?

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

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

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

yrelhan4
 one year ago
Best ResponseYou've already chosen the best response.0coordinate on y axis.

shubhamsrg
 one year ago
Best ResponseYou've already chosen the best response.1I 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)

yrelhan4
 one year ago
Best ResponseYou've already chosen the best response.0ohho.. ok. damn. it was easy. :P thank you.

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

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

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