Resistors and Ohm's Law Video Lessons

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Problem: Which of the following copper conductor conditions has the least resistance?1. thin, short, and hot2. thin, long, and cool3. thick, short, and cool4. thin, long, and hot5. thin, short, and cool6. thick, short, and hot7. thick, long, and hot8. thick, long, and cool

FREE Expert Solution

We are required to identify the combination of conditions that will lower the resistance of a wire.


R=ρLA ρ is the resistivity of the material, L is the length, and A is the cross-sectional area.

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Problem Details

Which of the following copper conductor conditions has the least resistance?

1. thin, short, and hot

2. thin, long, and cool

3. thick, short, and cool

4. thin, long, and hot

5. thin, short, and cool

6. thick, short, and hot

7. thick, long, and hot

8. thick, long, and cool

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