Home
Subscribe TechModgy to learn about new technologies!

A length of wire has a resistance of 10 ohms. What is the resistance of a wire of the same material three times as long and twice the cross-sectional area?

A. 30 ohms

B. 20 ohms

C. 15 ohms

D. 7 ohms

Please do not use chat terms. Example: avoid using "grt" instead of "great".