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Resistance is the opposition to the flow of current through a conductor. Resistivity is a property of a material that determines how strongly it resists the flow of current.
Here is an example:
Imagine you have two wires made of the same material, but one wire is twice as long and has half the cross-sectional area of the other wire. The wire with a longer length and smaller cross-sectional area will have a higher resistance. This is because the electrons have to travel further and have a harder time moving through the narrower wire.
Resistance and resistivity are important concepts in electronics and electrical engineering. Resistance is used to control the flow of current in circuits, while resistivity is used to select materials for different applications. For example, copper has a low resistivity, so it is often used in wires and electrical components.
Watch the video now to learn more about the relationship between resistance and resistivity, and subscribe to our channel for more educational content on physics and engineering!
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RYD date created : 2023-12-14T22:33:54.176092Z
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