5J10.20- Back EMF - Light Bulb

Back EMF

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PIRA Classification: 5J10.20

Description: A battery, 20 Henry inductor, and a 7.5 W bulb are connected in parallel, with a tap switch between the battery and inductor. The tap key is held down for a few seconds with no apparent effect. When the key is released, the bulb flashes.

Special Instructions: None

Condition: Good

Setup time: 2 minutes

Safety Issues: None