Question

Name four factors that affect the resistance of a conductor. _________________________________ _ _ _________________________________

Name: Problem 12, Chapter 8: Electricity 1: Devices, Circuits and Materials
Uploaded: 2020-06-23T21:00:04-08:00
Duration: 1 min 46 s
Channel: Luis Rios
Description: Name four factors that affect the resistance of a conductor.

   Name four factors that affect the resistance of a conductor.
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Electricity 1: Devices, Circuits and Materials

Thomas Kubala 9th Edition

Chapter 8, Problem 12

Instant Answer

Solved by Expert Luis Rios

06/23/2020

Step 1

Resistance is the opposition to the flow of electric current in a material. Step 2: Recognize that the resistance of a conductor can be influenced by various factors. Step 3: List the first factor: The material of the conductor. Different materials have Show more…

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Name four factors that affect the resistance of a conductor. ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________

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Key Concepts

Resistivity

Resistivity is an intrinsic property of a material that measures how strongly it opposes the flow of electric current. A material with high resistivity resists current flow more than a material with low resistivity, affecting the overall resistance of a conductor.

Length of the Conductor

The resistance of a conductor increases as its length increases because electrons have to travel a longer path, thereby encountering more collisions and obstacles that impede their flow.

Cross-Sectional Area

The resistance of a conductor decreases as its cross-sectional area increases, since a larger area allows more electrons to flow simultaneously, reducing the resistance to electric current.

Temperature

Temperature affects the resistance of a conductor because as temperature increases, the atoms in the conductor vibrate more vigorously, leading to increased collisions with moving electrons, which in turn raises the resistance.

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