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CBSE Class 12-science Answered

To charge of+100uc and -100uc are brought from infinite 250 distance.calculate work done and electric potential energy of the system.
Asked by pushpamehra20477 | 02 May, 2020, 07:57: PM
answered-by-expert Expert Answer
Work Done=Change in potential energy of the system
negative W equals open parentheses triangle U close parentheses minus W equals open parentheses fraction numerator K Q subscript 1 Q 2 over denominator r end fraction close parentheses minus W equals open parentheses fraction numerator 9 cross times 10 to the power of 9 cross times 100 cross times 10 to the power of negative 6 end exponent cross times open parentheses negative 100 cross times 10 to the power of negative 6 end exponent close parentheses over denominator 250 end fraction close parentheses minus W equals negative 0.36 J W equals 0.36 J
Answered by Utkarsh Lokhande | 03 May, 2020, 12:09: AM

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