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

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

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

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

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

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

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

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

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

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

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

shubhamsrg
 2 years 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
 2 years ago
Best ResponseYou've already chosen the best response.0ohho.. ok. damn. it was easy. :P thank you.

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