1.

When two point charges q_(A) and q_(B) areplaced at some separation on positive x-axis at points (x_(A), 0) and (x_(B), 0). Given that |q_(A)| and |q_(B)| and x_(B) gt x_(A). If null point is the point where net electric field due to both the charges is zero, then

Answer»

if both `q_(A)` and `q_(B)` are POSITIVE, null point lies at some point `x_(A) LT X lt x_(B)`
if `q_(A)` is positive and `q_(B)` is NEGATIVE, null point lies at some point `x lt x_(A)`
if `q_(A)` is positive and `q_(B)` is negative, null point lies at some point `x gt x_(B)`
if `q_(A)` is negative and `q_(B)` is positive, null point lies at some point `x gt x_(B)`

Answer :A::C::D


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