Question

two positive point charges of magnitude q and 3q are separated by distance a from each other. the point on the line joinig two charges where the electric field is zero,is​

Answer 1

here given is there are two positive point charges,

let suppose the charge on x distance from the q charge so the total distance is a

then the remaining didtance is a-x

now , kqq/x^2= kq3q/a-x^2

by cancel out the similar terms and taking root on both side u will get the answer

x=a/root 3-1.

Answer 2

Answer:

a/(1+√3)

Explanation:

the solution is in the pic

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