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2 point charges q &4q are located at r1 & r2,respectively,on the x-y plane.The magnitude Q & location R of a third charge to be placed on the plane such that the total force on each charges vanishes are what?

2 point charges q &4q are located at r1 & r2,respectively,on the x-y plane.The magnitude Q & location R of a third charge to be placed on the plane such that the total force on each charges vanishes are what?

Grade:12th pass

1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
9 years ago

assume Q,q are positive.

See direction vectors are in same.
=> they are collinear.
The big part is done.
Now asssume

Its easier to solve now.
Thanks & Regards
Arun Kumar
IIT Delhi
Askiitians Faculty

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