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प्रश्न
Fill in the blank with suitable word :
Power is the rate of doing ___________.
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उत्तर
Power is the rate of doing work.
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संबंधित प्रश्न
Define 1 watt of power.
Define average power.
A battery lights a bulb. Describe the energy changes involved in the process.
A load of 100 kg is pulled up by 5 m. Calculate the work done. (g = 9.8 m/s2)
What is the power of a body which is doing work at the rate of one joule per second?
A body does 1200 joules of work in 2 minutes. Calculate its power.
Fill in the blanks with suitable words :
One watt is a rate of working of one ___________ per ___________.
A man weighing 500 N carried a load of 100 N up a flight of stairs 4 m high in 5 seconds. What is the power?
An electric heater uses 600 kJ of electrical energy in 5 minutes. Calculate its power rating.
A boy weighing 40 kg carries a box weighing 20 kg to the top of a building 15 m high in 25 seconds. Calculate the power. (g = 10 m/s2)
