Question 10

Two points, P and T, are situated 3 mm apart in the electric field of positive charge Q, as shown below

10.1 Draw the electric field pattern around charge Q. (2)

The magnitude of the electric field at point P is 4 x 106 N·C-1 and at point T the
magnitude is 2,5 x 105 N·C-1.

10.2 Calculate:

10.2.1 The ratio of the electric field at point P to the electric field at point T.
Write the answer as EP : ET. (1)

10.2.2 The distance between charge Q and point P (4)

10.2.3 The magnitude of charge Q (2)


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