Parallel Plates and Potential Difference

In summary, parallel plates refer to two flat plates placed parallel to each other with a small distance between them. They are used in experiments to study electric fields and potential differences. The potential difference between parallel plates is directly related to the electric field and is inversely proportional to the distance between the plates, according to Coulomb's law. The formula for calculating potential difference is V = Ed, and parallel plates have practical applications in capacitors, particle accelerators, and electrostatic precipitators.
  • #1
Dayna
2
0
Two parallel metal plates are separated by 1.5 cm and are maintained at a potential difference of 1200 V. A proton, initially at rest, is released from the poisitive plate. When it reaches the negative plate its speed is :

So i know that potential energy is Vq.
So i went 1200 V x 1.602 x 10-19, but I have no idea where to go from there.

Thanks!
 
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  • #2
Kinetic energy.
 
  • #3
Thanks a lot!
 

Related to Parallel Plates and Potential Difference

1. What is the concept of parallel plates?

The concept of parallel plates refers to two flat plates that are placed parallel to each other, with a small distance between them. These plates can be made of conducting or non-conducting material, and they are often used in experiments to study the effects of electric fields and potential differences.

2. How is potential difference related to parallel plates?

Potential difference, also known as voltage, is the difference in electric potential between two points. In the case of parallel plates, the potential difference is directly related to the electric field between the plates. The larger the potential difference, the stronger the electric field will be between the plates.

3. How does the distance between parallel plates affect the potential difference?

The potential difference between parallel plates is inversely proportional to the distance between them. This means that as the distance between the plates increases, the potential difference decreases. This relationship is known as Coulomb's law.

4. What is the formula for calculating potential difference between parallel plates?

The formula for calculating potential difference between parallel plates is V = Ed, where V is the potential difference (in volts), E is the electric field strength (in volts per meter), and d is the distance between the plates (in meters). This formula can also be rearranged to solve for any of the variables.

5. What is the significance of parallel plates in practical applications?

Parallel plates have many practical applications, including in capacitors, which are electronic components that store and release electrical energy. They are also used in particle accelerators, where they are used to create and control electric fields to accelerate charged particles. Additionally, parallel plates are used in electrostatic precipitators, which remove small particles from industrial emissions.

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