A piece of wire is 40 cm long and has a diameter of 2.0 mm. Its resistance is 0.30 ohms.
Which wire of the same material has a resistance of 0.15 ohms?

Alice added sodium chloride to water and stirred the water for several minutes. alice is most likely trying to demonstrate that ionic compounds a. are hard. b. can dissolve. c. are clear. d. can melt.

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

What is the most useful equation for electric power?