Practice Test | Kullabs.com
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  • The SI unit of power is ______.

    joule
    watt
    dyne
    Newton
  • There is ______  watt in 1 horsepower.

    735 watt 
    755 watt
    750 watt
    700 watt
  • The correct formula to calculate the power is ______.

    P=t / w
    P=t+w
    P=w/t
    P=w-t
  • A crane lifts a load of 75 N to the height of 20 m in 100Sec. What is the power of the crane ?

    15 watt
    14 watt
    12 watt
    10 watt
  • The rate of doing work is ______.

    power
    work
    speed
    pressure
  • If 1 Joule of work is done in 1 second, the power is said to be ______.

    2 erg power
    1 watt power
    1 joule power
    3 pascal power
  • Whose value depends on time?

    Work
    Pressure
    Power
    Energy
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