Resistors and Ohm's Law Video Lessons

Video Thumbnail

Concept

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.

Resistance:

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

91% (47 ratings)
View Complete Written Solution
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

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Resistors and Ohm's Law concept. You can view video lessons to learn Resistors and Ohm's Law. Or if you need more Resistors and Ohm's Law practice, you can also practice Resistors and Ohm's Law practice problems.