Induction to change output voltage of DC.

In summary, the person is attempting to adjust the output voltage of their 12v DC adapter by wrapping wires around a toroid in a closed circuit. However, this will not work as the adapter has a DC output, and a transformer can only be created with an AC output.
  • #1
Geobio
2
0
I am trying to adjust the output voltage of my 12v DC adapter. Is it possible to wrap the wires of the adapter around a toroid in a closed circuit, and then wrap another wire around the toroid to have the output voltage of this wire decreased, and the current increased?

Example:
http://img27.imageshack.us/img27/7663/showlcb.jpg [Broken]
 
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  • #2
Geobio said:
I am trying to adjust the output voltage of my 12v DC adapter. Is it possible to wrap the wires of the adapter around a toroid in a closed circuit, and then wrap another wire around the toroid to have the output voltage of this wire decreased, and the current increased?

Example:
http://img27.imageshack.us/img27/7663/showlcb.jpg [Broken]

From your sketch, you are trying to make a transformer after the 12V adapter. That would only work if the adapter had an AC output. You cannot do that with a DC output.
 
Last edited by a moderator:
  • #3


Yes, it is possible to use a toroid in a closed circuit to adjust the output voltage of a 12v DC adapter. This process is known as using a transformer. By wrapping the wires of the adapter around the toroid, the magnetic field produced by the current in the wires will induce a current in the second wire wrapped around the toroid. This induced current will have a different voltage depending on the number of turns in the second wire, thus allowing for adjustment of the output voltage. However, it is important to note that this method will also change the current in the circuit, as stated in your question. This is due to the principle of conservation of energy, where the input power must equal the output power. Therefore, while the output voltage can be decreased, the current will increase in order to maintain this balance. Additionally, the number of turns in the second wire must be carefully calculated in order to achieve the desired output voltage.
 

What is induction?

Induction is the process by which an electric current is created in a conductor when it is exposed to a changing magnetic field.

How can induction be used to change the output voltage of DC?

Induction can be used to change the output voltage of DC by using a transformer. A transformer consists of two coils, a primary coil and a secondary coil, which are wrapped around a shared iron core. When an alternating current (AC) is passed through the primary coil, it creates a changing magnetic field which induces an electric current in the secondary coil. This results in a change in voltage between the two coils.

What is the difference between AC and DC?

AC stands for alternating current, which means the direction of the flow of electricity changes periodically. DC stands for direct current, which means the electricity flows in one direction. AC is commonly used in homes and buildings, while DC is used for electronics and batteries.

Can induction be used to change the direction of current in DC?

No, induction cannot change the direction of current in DC. This is because DC flows in one direction, so there is no change in the magnetic field to induce a current in the opposite direction.

What factors affect the output voltage of DC in an induction process?

The output voltage of DC in an induction process can be affected by the number of turns in the primary and secondary coils, the strength of the magnetic field, and the frequency of the AC current passing through the primary coil. Additionally, the material and size of the iron core can also impact the output voltage.

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