Two point charges equal to +4uc and +2uC are 12cm apart . What is the amount of work done to bring them closer through a distance of 3cm ?
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Answered by
6
Answer:
0.2 J
Explanation:
Work done = change in potental energy
( k q1 q2 / r1 ) - ( k q1 q2 / r2 )
q1 = 4uC
q2 = 2uC
r1 = 12/100 m
r2 = 9/100
Solving,
W = 0.2 J
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Answered by
0
Answer:
Explanation:
Take R2= 9cm
R1=12cm
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