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Science and Nature
Physics Girl

How to shrink a quarter with electricity

Join host Dianna Cowern as she puts her MIT physics degree to the test. With experiments, demonstrations, and cool new discoveries, Physics Girl sheds new light on the fun, adventurous side of physical science.

How to shrink a quarter with electricity

Season 1 Episode 29 | 7m 48s | CC

How an 8000V electromagnet can be used to shrink a quarter. The interplay between electric and magnetic forces leads to the Lorentz Force and Faraday’s law of induction which can be used to shrink a quarter, or any other type of metal coin.

Physics Girl

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