Electric Potential and Potential Difference

In summary, electric potential is the amount of electrical potential energy per unit charge at a specific point in an electric field, measured in volts (V). Potential difference is the difference in electric potential between two points in an electric field, also measured in volts (V). Electric potential is different from electric potential energy, as it is a measure of the intensity of the electric field while electric potential energy is a measure of the work done by the electric field on a charged particle. Electric potential is directly proportional to the electric field and inversely proportional to the distance between two points. It is also directly proportional to the amount of charge. This relationship is expressed as V = Ed, where V is the electric potential, E is the electric field, and d
  • #1
ktobrien
27
0

Homework Statement


Calculate the speed of a proton that is accelerated from rest through a potential difference of 135 V.
1 km/s
(b) Calculate the speed of an electron that is accelerated through the same potential difference.
2 Mm/s




Homework Equations


V=U/q


The Attempt at a Solution

(a)
Not sure how to do it
 
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  • #2
Work done by electric field = kinetic energy of proton
 
  • #3
Yea, I figured it out thanks.
 

Related to Electric Potential and Potential Difference

What is Electric Potential?

Electric potential is the amount of electrical potential energy per unit charge at a specific point in an electric field. It is measured in volts (V) and is a measure of the force that a charged particle would experience at that point.

What is Potential Difference?

Potential difference is the difference in electric potential between two points in an electric field. It is measured in volts (V) and is a measure of the work required to move a unit of charge from one point to another.

How is Electric Potential different from Electric Potential Energy?

Electric potential is the amount of potential energy per unit charge at a specific point in an electric field, while electric potential energy is the total potential energy of a charged particle in an electric field. Electric potential is a measure of the intensity of the electric field, while electric potential energy is a measure of the amount of work that can be done by the electric field on a charged particle.

What is the relationship between Electric Potential and Electric Field?

Electric potential is directly proportional to the electric field. This means that as the electric potential increases, the electric field also increases, and vice versa. Mathematically, the relationship is expressed as V = Ed, where V is the electric potential, E is the electric field, and d is the distance between the two points.

How is Electric Potential affected by distance and charge?

Electric potential is inversely proportional to the distance between two points. This means that as the distance between two points increases, the electric potential decreases, and vice versa. Electric potential is also directly proportional to the amount of charge. This means that as the amount of charge increases, the electric potential also increases, and vice versa. Mathematically, the relationship is expressed as V = Q/d, where V is the electric potential, Q is the charge, and d is the distance between the two points.

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