Question

Charge q1 = 7.00 μC is at the origin, and charge q2 = -5.00 μC is on the x-axis, 0.300 m from
the origin as shown below. (a) Find the magnitude and direction of the electric field at point P,
which has coordinates (0, 0.400) m. (b) Find the force on a charge of 2.00 × 10-8 C placed at
P.
a) The magnitude of the electric field at point P is 8.33 N/C and the direction is in the positive y-direction.

b) The force on a charge of 2.00 × 10-8 C placed at P is 0.0167 N.

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