Q.

Two points charges q1 and q2 (=q1/2) are placed at points A(0, 1) and B (1, 0) as shown in the figure. The electric field vector at point P(1, 1)
makes an angle q with the x–axis, then the angle q is\

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a

tan1(0)

b

tan1(1)

c

tan114

d

tan112

answer is A.

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Detailed Solution

Due to electric field is kq1r2  along X axis and due to q2 kq2r2 along y axis

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Two points charges q1 and q2 (=q1/2) are placed at points A(0, 1) and B (1, 0) as shown in the figure. The electric field vector at point P(1, 1)makes an angle q with the x–axis, then the angle q is\