The best way of strengthening an electromagnet is to?

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A. decrease the number of turns of wire.
B. decrease the size of the core.
C. increase the current.
D. increase the length of the core.

2006-10-21 23:58:11 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Physics

D: increase the length of core

2006-10-22 00:01:26 · answer #1 · answered by nbr660 6 · 0⤊ 0⤋

increase the current

2006-10-21 23:59:06 · answer #2 · answered by CaiZ.StarGazer 2 · 0⤊ 1⤋

2006-10-22 00:06:32 · answer #3 · answered by oldhippypaul 6 · 0⤊ 0⤋

2006-10-22 00:03:06 · answer #4 · answered by moebiusfox 4 · 0⤊ 0⤋