Question

In the figure, if net force on Q is zero then value of Q/q is

Answer 1

Answer:

Than Q/P is also zero

Explanation:

Answer 2

(The diagram in the question is given below)

Given :

The side length of the square = r

To Find :

The value of Q/q = ?

Solution :

• The net force on Q is due to the charges present on the other vertices of the square and the value of net force is zero

• Force due to charge q - Force due to charge Q = 0

• Force due to charge q = Force due to charge Q

            $\sqrt{(\frac{kqQ}{r^{2} }) ^{2}+ \frac{kqQ}{r^{2} }) ^{2} }=\frac{kQQ}{(\sqrt{2} r)^{2} }$

            $\sqrt{2(\frac{kQq}{r^{2} } )^{2}} = {\frac{kQQ}{(\sqrt{2r})^{2} } }$

            $2\sqrt{2}Qq = Q^{2}$

            $\frac{Q}{q} =2\sqrt{2}$

The value of Q/q is 2√2