Question

Q. A charge q is placed at the centre of the line Joining two exactly equal positive charge Q the system of the three charge will be in equilibrium if the value of q
will be ? hint (in compare to Q)​

Answer 1

Answer:

At equilibrium, net force will be zero, hence

∴

4πε

0

1

×

(r/2)

2

Qq

+

4πε

0

1

×

r

2

Q

2

=0

4q=−Q or q=−

4

Q

Answer 2

Answer:

q will be negative

.

.

.

Hope it clear

sorry I think I wrong