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A dipole is placed parallel to electric field. If W is the work done in rotating the dipole from 0 degree to 60 degree, then work done in rotating it from 0 to 180 degree is   
Asked by Shivasurendra100 | 24 Jul, 2020, 03:27: PM
answered-by-expert Expert Answer
Work done in rotating the dipole is given by
W equals U left parenthesis 1 minus C o s theta right parenthesis W h e r e space U equals space p o t e n t i a l space e n e r g y W equals U left parenthesis 1 minus C o s 60 to the power of 0 right parenthesis W equals U divided by 2 U equals 2 W minus negative negative negative negative negative negative left parenthesis 1 right parenthesis W h e n space theta equals 180 to the power of 0 W to the power of apostrophe equals U left parenthesis 1 minus C o s 180 to the power of 0 right parenthesis W to the power of apostrophe equals 2 U F r o m space e q u a t i o n space left parenthesis 1 right parenthesis space w e space g e t W to the power of apostrophe equals 2 left parenthesis 2 W right parenthesis W to the power of apostrophe equals 4 W
Answered by Utkarsh Lokhande | 25 Jul, 2020, 01:45: PM

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