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wich would be stronger an electromagnet wrapped by ten loops of wire around a nail or twenty?

2007-03-29 12:22:28 · 2 answers · asked by havok45 1 in Science & Mathematics ➔ Engineering

2 answers

Twenty of course... If you look at the equation, the number of loops (turns) is right there in the numerator.

2007-03-29 12:29:38 · answer #1 · answered by Gene 7 · 1⤊ 0⤋

silly boy 20 loops is better

2007-03-29 14:24:42 · answer #2 · answered by Charles J 2 · 0⤊ 0⤋

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