Understanding A.C Generators and the Difference Between A.C and D.C Current

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In summary, an A.C generator converts mechanical energy into electrical energy by rotating a coil of wire within a magnetic field. The main difference between A.C and D.C current is the direction of flow of electrons. To produce a consistent output voltage, A.C generators use slip rings and brushes to maintain the position of the coil in the magnetic field. A.C generators have various applications, including power generation, home and business electricity, and industrial use. They can also be modified to produce D.C current with the use of a commutator.
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jsmith613
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I just encountered an A.C Generator. I understand that it turns mechanical energy into electrical energy.

I also understand that if a coil is moved through a magnetic field, a current will be induced.

What I dont understand is why A.C current is produced, not D.C

could someone please simply explain to me the reason.

Thanks
 
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There are two ways you can connect the output wires to the coils in the generator.

Using a split commutator provides DC.

Using a slip ring provides AC.

http://www.gcsescience.com/pme18.htm
 

Related to Understanding A.C Generators and the Difference Between A.C and D.C Current

1. What is an A.C generator and how does it work?

An A.C generator, also known as an alternating current generator, is a device that converts mechanical energy into electrical energy. It works by rotating a coil of wire within a magnetic field, which induces an alternating current in the wire.

2. What is the main difference between A.C and D.C current?

The main difference between A.C (alternating current) and D.C (direct current) current is the direction in which the electrons flow. In A.C, the direction of flow constantly changes, while in D.C, the electrons always flow in the same direction.

3. How does an A.C generator produce a consistent output voltage?

An A.C generator produces a consistent output voltage by using slip rings and brushes to allow the coil to complete a full rotation and maintain its position in the magnetic field. This ensures that the induced current remains in the same direction and produces a consistent voltage.

4. What are the applications of A.C generators?

A.C generators have a wide range of applications, including power generation in power plants, in homes and businesses for electricity, in vehicles for charging batteries, and in various industrial machines and equipment.

5. Can an A.C generator also produce D.C current?

Yes, an A.C generator can be modified to produce D.C current by using a device called a commutator, which converts the alternating current into direct current by switching the direction of the current at specific intervals.

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