Revision history of "Back EMF"

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  • curprev 12:15, 18 January 2023‎ Stanmick talk contribs‎ 525 bytes −1‎ Tag: Visual edit
  • curprev 12:48, 20 April 2022‎ Physdemo talk contribs‎ 526 bytes +526‎ Created page with "{{NewDemo|subject=Electricity and Magnetism|topic=Inductance|file1=Backemf.gif}} A current is run through a coil, which in turn is hooked up to an oscilloscope. A 330 ohm resistor is placed between the positive and negative terminals of the coil. With the oscilloscope in storage mode, a sharp negative peak can be seen to coincide with a spark when one of the banana plugs is pulled from the power supply. '''Location: ''' * Coil from transformer: Shelf J-3 * 6/12 Volt Po..."
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