Advertisements
Advertisements
Question
State two advantages of using wind energy for generating electricity.
Advertisements
Solution
Advantages of using the wind energy:
1. It does not cause any kind of pollution.
2. It is an everlasting source.
RELATED QUESTIONS
State the energy change in the following device while in use:
A glowing electric bulb.
What name is given to the heat energy obtained from hot rocks inside the earth?
Fill in the blank
The energy possessed by a body due to its motion is called ______ energy.
Name the type of energy (kinetic or potential) possessed by the following:
A stretched rubber band.
A boy of mass m climbs up a staircase of vertical height h.
(a) What is the work done by the boy against the force of gravity?
(b) What would have been the work done if he uses a lift in climbing the same vertical height?
Write an expression for the potential energy of a body of mass m placed at a height h above the earth's surface. State the assumptions made, if any.
Select the renewable and non-renewable sources of energy from the following:
Wind
How is wind energy used to produce electricity?
Give one example when:
Potential energy changes to electric energy.
Give one example when:
Electric energy changes to potential energy.
