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Concept of speed and mass of the electrons
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.
This visual shows you how to insert an ammeter and how to use it in a circuit.
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.
Concept of cathode ray tube
The transformer modifies the voltage of a current.
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