Advertisements
Advertisements
Questions
State the S.I. unit of power.
Advertisements
Solution
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
RELATED QUESTIONS
Derive a relationship between S.I. and C.C.S. unit of work
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 does a spanner have a long handle?
A man lifts a mass of 10 kg from the floor to a shelf 4 meter high. If g = 10 ms-2, what is the work done?
Complete the following sentences:
Joule is the unit of .......
List any six forms of energy and write a short note on each of them.
Fill in the boxe to show the corresponding energy transformation.
A body of mass 60 kg has the momentum 3000 kgm/s-1. Calculate: the speed of the body.
