Question

# Define the following key terms. ____ electric current. ____ voltage difference. ____ electric circuit. ____ resistance. ____ Ohm's law.

Solution

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$\text{\textcolor{#4257b2}{\textbf{Electric current}}}$ is the flow of electric charge through a conductor.

$\text{\textcolor{#c34632}{\textbf{Voltage difference}}}$ is the difference between two points that causes the flow of electric current.

$\textbf{Electric circuit}$ is a path where electric current flows.

$\text{\underline{Resistance}}$ is the opposition to electric current flow.

$\text{\textcolor{#c34632}{\textbf{Ohm's law}}}$ states that the current $\textit{I}$ is directly proportional to the voltage $\textit{V}$ and inversely proportional to the resistance $\textit{R}$ though, is independent of current. In formula, $I = \dfrac{V}{R}$.

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