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Please tell me why the explanation up-to R (first half of the graph) |
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Answer» tion: The formula for the magnetic field due to a current CARRYING conductor within the radius :- B=[(μ0) ×(I) ×(x) ] ÷[2π(R^2) ] Here EXCEPT x, all OTHERS are constants, so, from x=0 to x=R, where R is the radius, the magnitude of the magnetic field KEEPS increasing linearly (straight line) , and when x=R, the magnitude attains the maximum value, and after that, it starts decreasing , but the decreases is somewhat faster than gradual and so attains a negative curved slope after the point of radius R! |
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