DIY electromagnets

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DIY electromagnets
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Clip from Scope  |  Season 3  |  Episode 25  |  ELEVEN  |  March 22, 2017

Join junior scientist Jack as he builds an electromagnet using a D-sized battery, coated copper wire, a nail file and some metal nails. Electromagnets are created when an electrical current is passed through a tightly wound coil, causing an electromagnetic field. Being able to control the magnetic field, by changing the amount of electricity passing through the coil, gives the user the ability to turn it on or off at will, and making it advantageous over the permanent magnet.

Join junior scientist Jack as he builds an electromagnet using a D-sized battery, coated copper wire, a nail file and some metal nails. Electromagnets are created when an electrical current is passed through a tightly wound coil, causing an electromagnetic field. Being able to control the magnetic field, by changing the amount of electricity passing through the coil, gives the user the ability to turn it on or off at will, and making it advantageous over the permanent magnet.

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