Advertisements
Advertisements
Question
State the energy changes in the following case while in use:
Washing machine
Advertisements
Solution
Electrical energy to mechanical energy.
APPEARS IN
RELATED QUESTIONS
State the energy changes in the following case while in use:
A ceiling fan
State the energy changes that occur in a watch spring while it unwinds.
State the energy changes in the following while in use An electric bulb.
State the energy changes in the following while using a microphone.
Fill in the blank
Green plants convert _________ energy into chemical energy.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the burning of a match stick.
State the energy changes in the following case while in use:
A solar cell
State the energy changes in the following case while in use:
Bio-gas burner
Avinash can run with a speed of 8 m s–1 against the frictional force of 10 N, and Kapil can move with a speed of 3 m s–1 against the frictional force of 25 N. Who is more powerful and why?
Define watt. Express kilowatt in terms of joule per second. A 150 kg car engine develops 500 W for each kg. What force does it exert in moving the car at a speed of 20 ms–1?
