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InterviewSolution
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The field normal to the plane of a wire of `n` turns and radis `r` which carriers `i` is measured on the axis of the coil at a small distance `h` from the centre of the coil. This is smaller than the field at the centre by the fraction.A. `3/2 (h^(2))/(r^(2))`B. `2/3 (h^(2))/(r^(2))`C. `3/2 (r^(2))/(h^(2))`D. `2/3 (r^(2))/(h^(2))` |
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Answer» Correct Answer - A |
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