Solve the questions please????????
Solution,
1. Whenever work is done, there is an energy transfer involved.
2. A loudspeaker converts electrical energy into sound energy.
3. Power is the rate of doing work.
4. A bulb is marked 60 W. This refers to its power.
5. The kilowatt hour is the unit of energy.
1. Whenever work is done, there is an energy transfer involved.
2. A loudspeaker converts electrical energy into sound energy.
3. Power is the rate of doing work.
4. A bulb is marked 60 W. This refers to its power.
5. The kilowatt hour is the unit of energy.