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Question 30

From Physics HL Paper 1A (May 2025, TZ3)

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  1. Two isolated point charges, X of charge +Q+Q and Y of charge +2Q+2Q, are separated by a distance 3d3d. P is a point dd from X and 2d2d from Y respectively.
Diagram showing two point charges X and Y, with a point P between them. Distances d and 2d are indicated.
Diagram showing two point charges X and Y, with a point P between them. Distances d and 2d are indicated.

What is the net electric field strength at P?

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