MHT CET 2024 Physics question
Two point charges +10q and –4q are located at x = 0 and x = L respectively. What is the location of a point on the x-axis from the origin, at which the net electric field due to these two point charges is zero? (r = required distance)
Answer: (1)
Solution
Let A be the charge +10q at and B the charge –4q at . Between the charges the two fields point in the same direction (both towards B), so the net field cannot vanish there. The point of zero field must lie outside the pair, on the side of the smaller charge, i.e. to the right of B (nearer the weaker
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