Study of magnetic field produced by electric current flowing through a coil and copper wire
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Answer:
According to ampere's law, a current passing through any conductor would produce circular magnetic field around it. The strength of this type of magnetic field can be increased or decreased by shaping the coil. Certain shapes will give a greater strength to the magnetic field. Electric current flowing through a coil and copper wire would also produce circular magnetic field around it.
Magnetic field is formed by flowing magnetic currents from one side of the coil to another. If we put iron inside the coil, then the magnetic field formed will be of greatest strength. Changing the magnetic field will induce electric current in copper wire.
A coil with 500 turns is different from a coil with 5 turns because a coil with 500 turns make much stronger magnetic field than the other. The magnetic field formed in each loop of wire combines with the other field and form a strong magnetic field.
Moving electric charges make magnetic field. The magnetic field could be in any direction. The direction can be demonstrated by using a compass.
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