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Snazzy
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Homework Statement
Find the potential difference of point b relative to point a.
Homework Equations
The Attempt at a Solution
I found out that E1 = 18V and E2 = 7V but I don't know where to go from there.
Potential difference is the difference in electric potential between two points in an electric field. It is a measure of the work needed to move a unit of charge from one point to another, and is typically measured in volts.
Potential difference can be calculated by dividing the work done in moving a charge between two points by the amount of charge moved. In mathematical terms, it is expressed as V = W/Q, where V is the potential difference, W is the work done, and Q is the amount of charge moved.
The unit of measurement for potential difference is the volt (V). It is named after Italian physicist Alessandro Volta, and is equivalent to one joule per coulomb.
While voltage and potential difference are often used interchangeably, they are not exactly the same. Voltage refers to the electrical potential difference between two points, while potential difference is the difference in electric potential between those two points. In other words, voltage is a specific type of potential difference.
Potential difference is directly related to electric current. In fact, it is one of the main driving forces for the flow of electric current. A higher potential difference between two points means there is a greater difference in electric potential, which leads to a higher rate of flow of electric charges (i.e. electric current).