Question

power is measured in units of watts. what are watts?
a. joules per second
b. joules - second
c. joules per meter
d. joules - meter

Explanation:

Power is defined as the rate of doing work or the rate of transfer of energy. Energy is measured in joules and time in seconds. So power (watts) is energy (joules) per unit time (seconds).

Answer:

A. Joules per second