Question Detail

PHY 102 Last Minute Prep Objective Question

Take CBT

Which copper conductor has the least resistance?

A thin, long and hot

B thick, short and cool

Correct Answer

C thick, long and hot

D thin, short and cool

Option B is the correct answer.

Resistance is lower for shorter length, larger area (thick), and lower temperature

Resistance is proportional to length and resistivity, and inversely proportional to area.

Course: PHY 102

Topic: Last Minute Prep

Type: Objective

Difficulty: Not specified

Question 1675 of 1819

Previous Course Details Next