'Suppose charge q is placed at point x 20., =0.4 second charge q is placed at point 36 cm, y = 0. What charge must be placed at the point x = 18 cm,y = 0 in order that the field at the pointx = 18 cm;y =10 cm be zero?'
Added by Michelle W.
Step 1
First, we need to find the electric field at the point x=18 cm, y=10 cm due to the charge q placed at x=20 cm, y=0 and the charge q placed at x=36 cm, y=0. We can use the formula for electric field due to a point charge: E = k*q/r^2 where k is the Coulomb Show more…
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