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Resistance of the electrical wires.
This visual studies the value of the induced current, which is produced when the homogeneous field B (perpendicular to the visible surface) is altered or the surface area of the circuit is altered by ...
When the magnetic flux which travels through a coil varies, an electric current is generated in the latter which can light up a bulb.
Measure of the voltage
The voltmeter is an instrument which measures voltages (tensions or differences of potential) between both ends of an element in a circuit through which there is an electric current circulating.
This visual shows you how to insert an ammeter and how to use it in a circuit.
Basis of the alternator
When an electric current of variable intensity circulates through a coil an induced current originates inside it.
A light bulb in a circuit near another circuit with a battery, a coil and a rheostat, can light up even though ITS OWN CIRCUIT HAS NO BATTERY.
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