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Two point charges of 20 and 80 micro coulomb and 10 cm apart

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First charge q1= 20 x 10-6

Second charge q2= 80 x 10-6

Distance d =10cm

Let the electric field will be zero at point O.

Two point charges 20 micro coulomb and 80 micro coulomb are 10 cm apart at point A and B.

The distance between O and A is (10-x) cm and the distance between O and B is x cm.


Hence, The electric field will be zero at 6.67 cm distance from 80 micro coulomb.

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