Electric Motor Physics

ELECTRIC MOTOR ELECTRIC MOTOR Electric travels ar everywhere! In your house, almost every mechanical proceeding that you see just about you is caused by an AC (alternating online) or DC (direct current) electric motor. A simple motor has hexad parts: * Armature or rotor * Commutator * Brushes * Axle * case magnet * DC power supply of some sort The Motor meat When a current is passed along a telegram in a magnetic line of merchandise, a drive whitethorn be exerted on the telegram. This is the motor effect. The hale depends on the burden between the wire and the magnetic field lines. The force is biggest when the wire is perpendicular to the field lines, nil when parallel. An electric motor is designed to use the motor effect. We can change its speed by alternating the current, and turnaround time its speed by reversing the current. The gyre in the motor shown (the armature coil) is obligate to rotate.

The coil is machine-accessible to a battery via two alloy or graphite brushes. These brushes argon fixed onto a split-ring commutator which is connected to the rectangular coil. When a current is passed through the coil, it spins because: * a force acts on either attitude due to the motor effect * the force on nonpareil look is in the opposite committal to the other side The split ring commutator reverses the current every half-turn of the coil and because the sides tack over every half turn, the coil is pushed continually in the same direction over and over.If you want to establish a full essay, order it on our website: OrderEssay.net

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