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Introduction
When a magnet passes wire which is part of a circuit you get a current. This is shown in the formula E = BLV – Energy = uniformed magnetic field x length of wire x velocity.
I am going to investigate how the number of coils affects the amount of electricity produced in the wire.
The variables in this experiment are: the length of the wire, the strength of the magnet and the speed of the magnet.
I will keep the strength of the magnet and the speed of the magnet the same, and change the length of the wire.
Prediction
I predict that the more coils there is in the circuit the more volts there will be, because the greater the number of atoms there is in the wire, more electrons will be moved by the magnetic field, so more electricity is produced.
Approximate Word count = 647
Approximate Pages = 2.6
(250 words per page double spaced)
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