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November 01, 2025, 09:18:00 am
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Author Topic: help? physics questions! please  (Read 486 times)  Share 

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hyunah

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help? physics questions! please
« on: August 05, 2014, 10:51:15 pm »
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how would I explain using lenz's law that when a iron bar is inserted through a coil with current going through it, the iron bar buzz?

I know Lenz’s Law: the current induced must create a flux opposing this change. something about opposing force? magnetic field?

please and thank you
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