What Determines the Magnetic Field Orientation in a P Type Semiconductor Coil?

In summary, the magnetic field orientation in a P type semiconductor coil with a DC current flowing will be determined by the direction of current flow, regardless of the type of carriers involved. The B vector will be the same as a metallic wire, following the "right hand grip rule."
  • #1
crx
81
0
P type semiconductor coil...

The magnetic field orientation in a P type semiconductor wire, in which a DC current is flowing will be caused by the direction of movement of the electrons or the positive holes?
 
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  • #2


Is this a homework problem? If so please show your attempt at a solution.
 
  • #3


marcusl said:
Is this a homework problem? If so please show your attempt at a solution.

no it is not a homework problem...i would say the magnetic field orientation is given by the electron movement, but i need an exact answer and not opinions...thanks
 
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  • #4


The answer is--it doesn't matter. If holes flow from left to right, the current flow is said to be in the same direction. A current in that direction corresponds to electrons flowing from right to left. It is the direction of current flow that matters, the carriers will sort themselves out.
 
  • #5


marcusl said:
The answer is--it doesn't matter. If holes flow from left to right, the current flow is said to be in the same direction. A current in that direction corresponds to electrons flowing from right to left. It is the direction of current flow that matters, the carriers will sort themselves out.

Thank you Marcus , but this was an opinion...Considering the real direction of the electrons (negative charges), in a metallic wire conductor with the ends connected to a DC voltage, the magnetic field orientation will correspond to the "right hand grip rule". Now if we replace the metallic wire with a P type semiconductor wire (in which positive holes are the major carriers), the orientation of the B vector will be the same as the metallic wire or will be opposite?
 
  • #6


The voltage source drives a current in the same direction both times, regardless of the type of carriers involved. Therefore B is the same each time.
 

Related to What Determines the Magnetic Field Orientation in a P Type Semiconductor Coil?

1. What is a P type semiconductor coil?

A P type semiconductor coil is a type of electrical coil that is made up of a semiconductor material with an excess of positively charged carriers, also known as "holes". It is used in electronics and electrical devices for its ability to conduct electricity.

2. How does a P type semiconductor coil work?

A P type semiconductor coil works by creating a potential difference, also known as a voltage, across its terminals. This voltage causes the "holes" in the semiconductor material to move towards the negative terminal, creating a flow of current. This current can be used to power electronic devices.

3. What are the advantages of using a P type semiconductor coil?

There are several advantages to using a P type semiconductor coil. One of the main advantages is its ability to handle high temperatures and operate in harsh environments. It also has a higher thermal conductivity compared to other types of coils, making it more efficient. Additionally, P type semiconductor coils have a longer lifespan and are more cost-effective in the long run.

4. How is a P type semiconductor coil different from an N type semiconductor coil?

The main difference between a P type and N type semiconductor coil is the type of charge carriers they have. As mentioned earlier, P type coils have "holes" as their charge carriers, while N type coils have excess of negatively charged carriers, also known as electrons. This difference in charge carriers affects the direction of current flow and the overall behavior of the coil in electronic circuits.

5. What are some common applications of P type semiconductor coils?

P type semiconductor coils have a wide range of applications in various electronic devices, such as transistors, solar cells, and sensors. They are also commonly used in power amplifiers, voltage regulators, and switching circuits. Additionally, P type coils are essential components in microchips and integrated circuits found in computers and smartphones.

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