Question

doubt

Answer 1

which one?

Answer 2

listen how we come to knw dat where the charge should be placed so the system will be in equilibium for xample i m posting qn wait

Answer 3

third charge?

Answer 4

find the poition of third charge o the system will remain in equilibrium

find the position of third charge Q'

Answer 5

Do you mean Q, 9Q, and distance d between them are known?

Answer 6

take the dist of the 3rd charge from the 1st as x and then the dist q3-q2 will be L-x, if q3 is in between them.

Answer 7

one more xample like in the figure triangle where u should keep the charge so sytem reamin in equilibrium