Four points charges, each equal to 
are held at the corners of a square 
of side 
. The magnitude of a charge 
is placed at the centre of the square, so that the system of charges is in equilibrium, is
Text Solution
Verified by ExpertsNOT AVAILABLE
As diagonal, 
Let us consider the equilibrium of charge 
at 
.
Force exerted on charge at 
by charge at 
,
Similarly, 
and
Net force on charge 
at 
in the 
-direction,
Similarly, net force on charge 
at 
in the 
-direction is
Resultant force on charge 
at 
,
Charge 
will be in equilibrium, if
i.e. if 
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems