Question

Two point charge of 4 UC and _16 UC are separated by distance 1 m find midpoint of of charge​

Answer 1

Explanation:

Correct option is

C

1/3m from −2μC

Let potential is zero at a distance x from 4μc 

⇒xk(4)+(1−x)k(−2)=0

⇒x4=(1−x)2

⇒2−2x=x

⇒2=3x

⇒x=32

∴ from the distance is 1−32=31

potential is zero at 31m from −2μc.

Hence,

option (C) is correct answer.

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