Heredity defines the passage material from-

When using two-wire cable to feed a 240-v appliance that does not require a neutral wire, you should a. mark both ends of the white wire green. b. use the cable as is. c. use only the black wire. d. mark both ends and any exposed area of the white wire black.

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

Does heating a metal wire increase or decrease its electrical resistance? why?