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A metal wire has a length l and a cross-sectional area a. The resistance of the wire is directly proportional to

Sagot :

The resistance of the wire is directly proportional to the length of the wire, l.

What is resistance?

Resistance is given as the ability of the wire to resist or stop the flow of current. The resistance of the wire can be given to have the formula:

[tex]\rm Resistance=\dfrac{length }{area}[/tex]

Thus, it can be given that the resistance of the wire is inversely proportional to the area of the cross-section and directly proportional to the length.

Learn more about resistance, here:

https://brainly.com/question/11431009

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