Two charges 10 μC and - 10 μC are placed at points A and B separated by a distance of 10 cm . Find the electric field at a point P on the perpendicular bisector of A B, at a distance of 12 cm from its mid-point.

Question

Two charges 10 μC and - 10 μC are placed at points A and B separated by a distance of 10 cm . Find the electric field at a point P on the perpendicular bisector of A B, at a distance of 12 cm from its mid-point., 16 . 4 × 10 6 N C - 1, 28 . 4 × 10 6 N C - 1, 8 . 2 × 10 6 N C - 1, 4 . 1 × 10 6 N C - 1

MARKS App · Accepted Answer

The net electric field, E net = 2 E A cos θ From the arrangement of chargers, cos θ = 5 13 Net electric field, E net = 2 × 9 × 10 9 × 10 × 10 - 6 13 × 10 - 2 2 × 5 13 ⇒ E net = 4 . 1 × 10 6 N / C

Search any question & find its solution

Looking for more such questions to practice?