Question

Q. No:8 Define power. Give units of power.​

Answer 1

Answer:

Power :- Rate of doing work is defined as power.

SI unit of power is KWh or just unit .

Hope it helps

Answer 2

Answer:

In physics, power is the amount of energy transferred or converted per unit time. .The dimension of power is energy divided by time. In the International System of Units (SI), the unit of power is the watt (W), which is equal to one joule per second. Other common and traditional measures are horsepower (hp), comparing to the power of a horse; one mechanical horsepower equals about 745.7 watts. Other units of power include ergs per second (erg/s), foot-pounds per minute, dBm, a logarithmic measure relative to a reference of 1 milliwatt, calories per hour, BTU per hour (BTU/h), and tons of refrigeration.