Electric Field of Equilateral Triangle Charge Distribution

[Shooting Star]

But you have to choose the vector carefully.

Force exerted on charge at B by charge at A is in the direction of AB, and electrostatic field intensity E at B due to charge at A is in the direction AB.

So, if the charge at A is actually negative, putting in the actual negative value gives you an intensity in the direction of -AB, as should be the case.

 

[pinkyjoshi65]

ok..thank you soo much...You have been a real help..:):)..really really appreciate it...I had a few questions abt Double and single slit equations..If you hve time, could you look into the thread entitled Double slit equations? Again thank You soo much..