Homework Answers
Va = KQ ( 1/d +1/3d -1/5d) = 17/15 KQ/d
Vb = KQ (1/d + 1/d -1 /3d) = 5/3 KQ/d
Vc = KQ (1/3d +1/d -1/d) = 1/3 KQ/d
Vd = -Va = -17/15 KQ/d
Hence
Vb>Va>Vc>Vd
For A = Left
B = Right
C = Right
D = Left
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