The transformer modifies the voltage of a current.

When an electric current of variable intensity circulates through a coil an induced current originates inside it.

Type of electronic test instrument that allows observation of varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time.

Concept of cathode ray tube

Concept of Crookes tube

This visual shows you how to insert an ammeter and how to use it in a circuit.

The small automatic switches (SAS) are elements of a consumer unit

Description of a consumer unit.

Concept of electrical wire and conducting cable