What is the amount of work done in moving a 200nc charge between two points 5cm on a equipotential surface?
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w= 9×10^9 × q /r
w = 9×10^9 × 200×10^-9/25×10^-4
w= 72× 10^4 J
w = 9×10^9 × 200×10^-9/25×10^-4
w= 72× 10^4 J
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