1. When current flows through a resistor,
(a) Some of the charge is used up by the resistor.
(b) Some of the current is used up by the resistor.
(c) Both (a) and (b) are true.
(d) Neither (a) nor (b) is true?
2. The unit kilowatt-hour is a measure of
(a) The rate at which energy is transformed.
(b) Power.
(c) An amount of energy.
(d) The amount of power used per second?