What are the effects of length of nail to magnetism? Suppose there are: a) 3 inch iron nail b) 4 inch iron nail c) 5 inch iron nail How many paper clips it could attract?
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What are the effects of length of nail to magnetism? Suppose there are:
a) 3 inch iron nail
b) 4 inch iron nail
c) 5 inch iron nail
How many paper clips it could attract?
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