Question

13) Two very small spheres A and B are charged with +10 and +20 coulomb respectively and separated by a distanc
of 80 cm. The electric field at point on the line joining the centres of the two spheres will be zero at almost how
much distance from A?
(1) 20 cm
(2) 33 cm
(3) 45 cm
(4) 60 cm
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Answer 1

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