1 answer

The drawing shows six point charges arranged in a rectangle. The value of q is 9.0...

Question:

The drawing shows six point charges arranged in a

The drawing shows six point charges arranged in a rectangle. The value of q is 9.0 mu C, and the distance d is 0.17 m. Find the total electric potential at location P, which is at the center of the rectangle. V

Answers

electric potential due to a point charge at distance r,

V = k q / r

distance of middle charges = 0.17/2 = 0.085 m

distance of corner charges from P = sqrt(0.17^2 + 0.085^2) = 0.19 m


Vnet = [ k(7q) / 0.19] + [k(-5q) / 0.19] + [k(5q)/0.19] + [ k(7q)/0.19] + [k(3q)/0.085] + [k (-3q)/0.085]


= 14 k q / 0.19 = 14 x 9 x 10^9 x 9 x 10^-6 / 0.19


= 5968421 Volt

.

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