Question

In: Physics

Two charges — q1 = 2.1 × 10-6C, q2 = 5.4 × 10-6C — are separated...

Two charges — q1 = 2.1 × 10-6C, q2 = 5.4 × 10-6C — are separated by a distance of d = 3.75 m.

At what distance, r in meters, from the first charge is the electric field zero?

Solutions

Expert Solution

Electric field direction is always directed away from a positive charge.

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Refer the figure

Consider the point at distance from the first charge.

Given that the net electric field at that point is zero.

Take square root on both sides

ANSWER:

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