Two charges q and 3 q are separated by a distance ‘ r ’ in air. At a distance x from charge q , the resultant electric field is zero. The value of x is :

Question

Aicharya · Accepted Answer

Given: E → n e t P = 0 ⇒ k q x 2 = k × 3 q r - x 2 ⇒ r - x 2 = 3 x 2 ⇒ r - x = 3 x ⇒ x = r 3 + 1

Two charges q and 3 q are separated by a distance ‘ r ’ in air. At a distance x from charge q , the…

Solution