Advertisements
Advertisements
प्रश्न
State the S.I. unit of power.
Advertisements
उत्तर
Electric power is the rate at which an electric circuit transfers electrical energy per unit of time.
The SI unit of power is the watt, one joule per second
`P = "work"/"time in Secs" = w/t`
APPEARS IN
संबंधित प्रश्न
When do we say that work is done?
What are the two kinds of mechanical energy?
Determine the amount of work done when an object is displaced at an angle of 30° with respect to the direction of the applied force.
Why is the work done on an object moving with uniform circular motion zero?
Write an expression for the work done against gravity.
A cricket ball is thrown up from the earth's surface. What happens to its P.E.
(a) during the motion
(b) at the highest point?
A 100 W electric lamp emits energy in the form of light at the rate 10 J per second. What percentage of electric energy does the lamp transform into light energy?
A bucketful of water is to be drawn from a well ______ will be done when a ______ is applied to do this because there will be a ______ of water.
(displacement, work, force)
