Q.26) Differentiate between energy and power.
Q.27) State and define the SI unit of power.
Q.28) (a) Name the physical quantity measured in terms of horsepower.
(b) How is horse power related to the SI unit of power ?
Q.29) Differentiate between watt and watt hour.
Q.30) Name the quantity which is measred in (a) kWh (b) kW (c) Wh (d) eV