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Switching the field voltage to the coils forces the magnets to move.
Wiki User
∙ 14y ago
Wiki User
∙ 12y agothe electric current
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What has to occur for an electric motor to spin freely?
In order for an electric motor to spin freely you will have to make sure you have one thing. You have to have the electric current for the motor to run freely.
How do you store the 30 volts produced from spinning an electric motor?
A motor can be connected up to a car battery to store the power produced when it runs as a generator, but you will find that when current is drawn the motor needs more work to spin it, it will not spin so easily. That is because of conservation of energy.
Is there any example for electric motors?
You probably have one in your computer - any spinning disk uses a motor to spin (hard drives, DVD/CD drives, Floppy drives, etc.). If you have a phone that has that can vibrate, it has a small motor (the motor's rotor, or the center part that spins, has a small weight on it that is off-center - this is what causes the vibrations). Most fans are electric motors (air conditioning/heating fan in your car, etc.).
Why the DC motor is call as synchronous motor?
A 60Hz synchronous motor spins at synchronous speed - if it's a two pole motor it will spin at exactly 1800 rpms. An asynchronous motor will spin at a speed lower than the power supply frequency - a symilar asynchronous motor may spin at 1700 rpms.
What does the brushes and commentator in a D C motor do?
i have never heard of a commentator in a motor, think you may be mistaking that word. inside an electric motor you have a stator and windings, as polarity changes it spins the stator and the brushes transfer the charge to the device being used.. I think they meant commutator. If you break an electric motor down to 2 parts, you have a commutator and an armature. the armature being the shaft that basically floats on bearings, and the commutator being the hull where the stator is. (and there is such thing as a brushless electric motor.) the stator does not spin. that is the term used for the magnets that pull the electric field supplied by the brushes. To make even more simple, imagine a shaft floating on bearings with 2 magnets on it, one positive and one negative ( the armature) and this shaft is inside of a ring of electricity the is flowing in one direction, its going to pull the negative and push the positive (the commutator) and cause the armature to spin.
In an electric motor a magnetic field causes what to spin?
The rotor (which is some type of magnet).
What has to occur for an electric motor to spin freely?
In order for an electric motor to spin freely you will have to make sure you have one thing. You have to have the electric current for the motor to run freely.
What causes a motor to spin?
the starter
What does an electromagnet do when it is connected with wires and a motor?
It causes the motor to spin.
How do you use electricfan?
The motor has a coil of wire that is an electromagnet. This causes the motor to spin, turning the fan blades.
What must happen for an electric motor to spin?
suitable winding and correct power supply
What is a motor in physical science?
A motor is a mechanism that spins by means of electric energy and uses magnetism to spin. It uses energy.
What causes the coil of wire to spin inside the motor?
what caused the motors to turn faster
How Can you Make Something Spin In A Circuit?
Use an electric motor.Definition for electric motor:Web definitions:a motor that converts electricity to mechanical work.wordnetweb.princeton.edu/perl/webwn
What is axle math?
An axle is something that a wheel would normally spin on.
What are fans powered by?
Most fans have an electric motor that runs off of electricity. These use magnetization to spin the fan
What causes three of four tires to spin?
Rotational forces not applied to the fourth tire. Check the braking system and the axle drive system.
