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Correct! Magnetic; the magnetic strip contains a magnetic code that is interpreted when the card is swiped through the reader.
Incorrect, please try again.
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Correct! Magnetic; a read/write head magnetically encodes data on a disk that is coated with a magnetic material.
Incorrect, please try again.
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Correct! Electric; static electric charges, possibly generated by rubbing the balloons against the shirt, produce an electric force of attraction between the balloon and the shirt.
Incorrect, please try again.
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Correct! Electric; electric charge is being transferred from the tesla coil to the ceiling.
Incorrect, please try again.
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Image adapted from: Best Business Card, Shawn Collins, Flickr
Source: Recover hard drive, Data File Recovery
Source: Balloon Boy, Ross Cadogan, Flickr
Source: Tesla Coil Sparks 4KVA with Corona on Wire, Are Groh, Wikimedia