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CBSE Class 12-science Answered

Calculate the electric field due to to an electric dipole of 2cm having charge 3 micro coloumb at an angle 60 from the direction  of electric moment ,2m from the center of the electric dipole.  
Asked by pradeepjsme | 25 Jun, 2018, 11:19: PM
answered-by-expert Expert Answer
Electric field due to dipole begin mathsize 12px style equals space fraction numerator q space d space cos theta over denominator 2 pi epsilon subscript 0 space r cubed end fraction space equals space fraction numerator 3 cross times 10 to the power of negative 6 end exponent cross times 2 cross times 10 to the power of negative 2 end exponent cross times begin display style bevelled 1 half end style over denominator 8 end fraction cross times 4.5 cross times 10 to the power of 9 space equals space 16.875 space N divided by C end style
q is the charge, d is length of dipole (distance between charges) , r is the distance from centre of dipole to test point, 
θ is the angle made by the line joining dipole centre and test point with dipole

Answered by Thiyagarajan K | 26 Jun, 2018, 11:38: AM

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