NEET Class neet Answered

Q 5 Option 1 ans

Asked by manasvijha | 21 Mar, 2019, 05:25: PM

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P o t e n t i a l space a t space C space d u e space t o space q space equals space fraction numerator k q over denominator L end fraction p o t e n t i a l space a t space C space d u e space t o space minus q space equals space minus fraction numerator k q over denominator L end fraction. s o space n e t space p o t e n t i a l space a t space C space d u e space t o space t h e s e space c h a r g e s space equals space minus fraction numerator k q over denominator L end fraction plus fraction numerator k q over denominator L end fraction space equals space 0 s o space V subscript c space equals space 0 p o t e n t i a l space a t space D space d u e space t o space c h a r g e space q space equals space fraction numerator k q over denominator 3 L end fraction p o t e n t i a l space a t space D space d u e space t o space c h a r g e space minus q space equals space minus fraction numerator k q over denominator L end fraction s o space n e t space p o t e n t i a l space a t space D space d u e space t o space t h e s e space c h a r g e s space equals space minus fraction numerator k q over denominator L end fraction plus space fraction numerator k q over denominator 3 L end fraction space equals space minus fraction numerator 2 k q over denominator 3 L end fraction s o space p o t e n t i a l space a t space D comma space V subscript D equals space minus fraction numerator 2 k q over denominator 3 L end fraction p o t e n t i a l space d i f f e r e n c e increment V space equals space V subscript D minus V subscript C space end subscript space equals space minus fraction numerator 2 k q over denominator 3 L end fraction s o space w o r k space d o n e space W space equals space Q increment V space equals space minus fraction numerator 2 k q over denominator 3 L end fraction open parentheses n o w space p u t t i n g space t h e space v a l u e space o f space k space equals space fraction numerator 1 over denominator 4 πε subscript 0 end fraction close parentheses W space equals space minus fraction numerator Q q over denominator 6 πε subscript 0 straight L end fraction

Answered by Ankit K | 22 Mar, 2019, 09:58: AM

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