PURPOSE: To demonstrate mutual induction.
DESCRIPTION: Two pairs of concentric coils are coupled by an iron core. Connect 9-volt battery to start and stop current in any one of the coils. The current induced in any of the other coils can be seen using the 25 milliamp meter. Connecting battery to coil with meter will damage the meter.
SUGGESTIONS:
REFERENCES: (PIRA 5K10.30)
EQUIPMENT: Mounted coils with core, 9-volt battery, and meter.
SETUP TIME: None.
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