20 cm 20 cm 44. 3nc >3ng 20 cm What...
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20 cm 20 cm 44. 3nc >3ng 20 cm What will be the ammount of work done in brining a (+) InC test charge from unifinte to point p.

JEE/Engineering Exams
Maths
Solution
101
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Work done by ( = ) Change in potentiol external agent ( quad ) energy Potential energy at PPotential energy at infini ( therefore ) Work done by ( =left(27 times 10^{-8}-0right) ) extemal agent [ =27 times 10^{-8} ]
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