Physics

Problem

Two points, P and Q, lie in a region of space where the electric field is represented by equally spaced field lines. At point P the perpendicular spacing between adjacent lines is

2.0\,\text{mm}

, while at point Q it is

5.0\,\text{mm}

. Assuming the field lines are drawn using the same scale everywhere, what is the approximate ratio

E_P / E_Q

of the magnitudes of the electric field at P and Q? a) 0.40 b) 2.0 c) 2.5 d) 6.25

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