Electrostatics Question 421

Question: Distance of the point from A where the electric field is zero is [RPMT 2000]

Options:

A) 20 cm

B) 10 cm

C) 33 cm

D) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

Suppose electric field is zero at N. Hence Which givesx1=xQ2Q1+1=802010+1=33cm .



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