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Other induction coils University (2), University (3) |
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Description The induction coils is made of two coaxial coils with a core of iron wires. We have a primary circuit of few turns connected to a battery and to a interrupter. The secondary is made of a great number of turns and ends with two points that form a spark gap. By opening and closing the circuit, we obtain a pulsating current in the primary that induces a very high tension on the secondary thus provoking a spark between the two points. | |||
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Function To show the functioning of an electric engine. |
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Description Between the expansions of a U-shaped magnet we place a coil with an iron core. The axis that holds the coil is joined to a crank with a belt system. The collector is made of two half-rings, thus inverting the connection to the two brushes every half turn and obtaining a direct current. | |||
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Function To show the applications of electromagnetism. |
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Description The circuit is made of two electromagnets supplied by a direct current. When the current passes, they attract the end of a connecting rod, that moves a wheel used as a flywheel. This movement interrupts the circuit, thus pushing away the connecting rod that follows the movement of the wheel. As the rotation proceeds the circuit is closes again. So the end of the connecting rod is attracted again by the electromagnets and so on. The wheel is connected to a pump that pours the liquid from a little container to another. | |||
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Function To show the applications of electromagnetism. |
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Description The circuit is made of an electromagnet supplied by a direct current. When the current passes, it attracts the end of a connecting rod, that moves a wheel used as a flywheel. This movement interrupts the circuit, thus pushing away the connecting rod that follows the movement of the wheel. As the rotation proceeds on the circuit is closed again. So that the end of the connecting rod is attracted again by the electromagnet and so on. The wheel is connected to a pump that pours the liquid from a little container to another. | |||
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