Advertisements
Advertisements
प्रश्न
State the energy changes that occur in the following :
Lighting of a torch bulb.
Advertisements
उत्तर
Chemical energy into light and heat energy.
APPEARS IN
संबंधित प्रश्न
State the energy changes in the following case while in use:
An electric iron
State the energy changes in the following while in use An electric oven.
State the energy changes in the following while using an electric motor.
State the energy changes that occur in the following :
An electric generator (or dynamo).
State the energy changes in the following case while in use:
a steam engine
State the energy changes in the following case while in use:
Washing machine
State the energy changes in the following case while in use:
A petrol engine of a running car
A boy is moving on a straight road against a frictional force of 5 N. After travelling a distance of 1.5 km he forgot the correct path at a roundabout (Fig. 11.1) of radius 100 m. However, he moves on the circular path for one and half-cycle and then he moves forward up to 2.0 km. Calculate the work done by him.
If an electric iron of 1200 W is used for 30 minutes every day, find electric energy consumed in the month of April.
In an electric cell while in use, the change in energy is from ______.
