Category: Electric current
Electric current Theory
An electric current is a stream of electrons or ions moving through an electrical conductor. In a wire the charge carriers are free electrons. An electric field is required in order to produce electric current. The ends of the wire are connected to the poles of an electrical source (battery), so an electric field is created inside…
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Light a neon light with wimshurst machine
Materials: Procedure: Connect each pole of the wimshurst machine with the neon light with the wires. Spin the wheel of the generator and watch the neon light! Explanation: When the motor is running one pole carries a large positive charge and the other a large negative charge. When we connect the neon lamp with the…
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