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the perpendicular distance between two conductors of 12 cmeach is 0.15cm. They carry 300Ain same direction.The force acting between them is
Asked by gurugubelligowthami2305 | 25 Feb, 2021, 09:59: PM
answered-by-expert Expert Answer
If Currents are same direction in both conductors, then there is force of attraction between coductors .
 
Force F  between conductrs is given as
 
begin mathsize 14px style F space equals space fraction numerator mu subscript o I subscript 1 over denominator 2 pi r end fraction cross times I subscript 2 cross times L space equals space fraction numerator 2 space cross times space 10 to the power of negative 7 end exponent cross times 300 over denominator 0.15 cross times 10 to the power of negative 2 end exponent end fraction cross times 300 cross times 12 cross times 10 to the power of negative 2 end exponent space equals space 1.44 space N end style
where μo is permeability of free space , I1 and I2 are currents in conductor , L is length of each conductor
and r is distance between conductors
Answered by Thiyagarajan K | 26 Feb, 2021, 03:40: PM

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