TOPIC:

K2-11: SELF-INDUCTION 10 years 4 months ago #472

zzfixk21
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ID Code: K2-11
Purpose: Demonstrate self-induction
Description: The switch is closed, connecting a 1.5 volt battery to start current flowing in the large coil, shown in the circuit below. When the switch is turned off, the collapsing field creates a back EMF sufficient to light the neon bulb (about 90 volts).
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