A device that uses two coils around an iron core to change the voltage across a circuit is called a a. voltmeter. b. motor. c. transformer. d. generator. E. diode.

A device that uses two coils around an iron core to change the voltage across a circuit is called a

a. voltmeter.
b. motor.
c. transformer.
d. generator. E. diode.

1 Answer

A device that uses two coils around an iron core to change the voltage across a circuit is called a a. voltmeter. b. motor. c. transformer. d. generator. E. diode.

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