Two point charges q1=2μC and q2=1μC are placed at distances b = 1 cm and a = 2 cm from the origin of the y and x axes as shown in figure. The electric field vector at point P(a, b) will subtend an angle θ with the x-axis given by tan θ=K. Find value of K.
Eαqr2
tan θ=E0E0/2=2