Correct! Magnetic; the permanent magnets are exert a magnetic force of attraction for the metal surface. Incorrect, please try again. |
Source: fridge magnets collection, Bala8, Wikimedia
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Correct! Electric; oppositely charged rods are repelling one another; like charged rods are attracting one another. Incorrect, please try again. |
Source: Eod, Think Quest
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Correct! Magnetic; the electric current in the electromagnet creates a magnetic field which exerts a magnetic force of attraction on the piece of metal. Incorrect, please try again. |
Source: Throwing Metal Around,Proggie, Flickr
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Correct! Magnetic; the two like colored magnetic poles are repelling each other. Incorrect, please try again. |
Source: Levitron top floating, Dayna Mason, Flickr
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