Two point charges A and B of magnitude +8 $\times$ 10$-$6 C and $-$8 $\times$ 10$-$6 C respectively are placed at a distance d apart. The electric field at the middle point O between the charges is 6.4 $\times$ 104 NC$-$1. The distance 'd' between the point charges A and B is :

Question

Two point charges A and B of magnitude +8 $\times$ 10^$-$6 C and $-$8 $\times$ 10^$-$6 C respectively are placed at a distance d apart. The electric field at the middle point O between the charges is 6.4 $\times$ 10⁴ NC^$-$1. The distance 'd' between the point charges A and B is :

2.0 m

3.0 m

1.0 m

4.0 m

Solution

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