Advertisements
Advertisements
प्रश्न
Name the quantity which is measured in kWh.
Advertisements
उत्तर
kWh - Kilowatt hour is the unit of ENERGY.
APPEARS IN
संबंधित प्रश्न
Power P= ............ /time taken.
1 H.P. = .........
1 H.P. is equal to
Name the physical quantity which is measured in calorie. How is it related to the S.I. unit of the quality?
If a 1200 W electric iron is used daily for 30 minutes, how much total electricity is consumed in the month of April?
Arrive at an expression for power and velocity. Give some examples for the same.
An engine pumps up 200 kg of water through a height of 20 m in 10 seconds. If the efficiency of the engine is 80%. Calculate the power of the engine.
Water falls from a height of 60 m at the rate of 15 kg/s to operate a turbine. The losses due to frictional force are 10% of the input energy. How much power is generated by the turbine? (g = 10m/s2)
The average work done by a human heart while it beats once is 0.5 J. Calculate the power used by heart if it beats 72 times in a minute.
At any instant of time t, the displacement of any particle is given by 2t – 1 (SI unit) under the influence of force of 5N. The value of instantaneous power is (in SI unit):
