When the current in the wire does not flow perpendicular to the field produced by the magnet, the field produced the current is repelled by that of the magnet. The thumb points in the direction of current flow and the fingers grip the wire in the direction of magnetic field. The right grip hand rule can be used to determine the direction of the field. The greater the stored energy in the battery, the longer the motor can run.Īs current flows through the winding, it creates a magnetic field. The distribution of energy all round your body is like the current flowing in the motor coil.įinally, the movements during the run represent the rotation of the motor. The battery in the circuit stores the energy needed by the motor to move so its like the food intake into your stomach. The more energy you have stored, the further and faster you can run.Įventually, you use up all the stored energy and must slow down and stop running. This energy doesnt remain in your stomach but is distributed throughout your body.Īs you run, this stored energy gets converted into movement in your arms and legs. Repeat with the clasp of the other pin, at the opposite end of the battery.īefore setting off, you need to eat in order to store up enough energy in your body to get through the run. Repeat for the other end, making sure that the same side of the wire is scraped. Advanced Physics Steve Adams Jonathan Allday Free Ends Should.
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