silly boy 20 loops is better
Friday, January 15, 2010
Wich would be stronger an electromagnet wrapped by ten loops of wire around a nail or twenty?
Twenty of course... If you look at the equation, the number of loops (turns) is right there in the numerator.Wich would be stronger an electromagnet wrapped by ten loops of wire around a nail or twenty?
silly boy 20 loops is betterday cream
silly boy 20 loops is better
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