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Physics 11 Online
OpenStudy (curiousquestions):

PLZZZZZZ HELP!!!!! WILL FAN + MEDAL BEST HELPER!!!!! Topic: electromagnets Why does the steel core work the best of the following: Steel Punch, Aluminum Foil Rod, Birthday Candle, Wooden Pencil, Plastic Pen?

OpenStudy (ilovemath14):

Steel core and Steel Punch are made with an oxygen furnace. Aluminum is made from an aluminum alloy (alloys in which aluminium (Al) is the predominant metal) which contains between 92 and 99 percent aluminum. Birthday candles are made of paraffin wax. Pencils are made from wood (idk what type of wood and for pens idk)

OpenStudy (anonymous):

Can i help

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