Solar Cell

Q.

How does solar energy convert heat energy into electrical energy?

Q.

A solar cell converts solar energy into

Q.

(a) What is a solar cell ? Draw the labelled diagram of a solar cell.
(b) Name the semi-conductor material which is usually used for making solar cells.
(c) Write the uses of solar cells.

Q.

What are the disadvantages of using solar cell(solar power)?

1. The availability of special grade silicon for making cells is limited.

2. The entire process of manufacturing is very expensive.

3. The efficiency is low.

4. It is dangerous.

Q. Solar cells convert solar energy into:

1. Mechanical energy
2. Electrical energy
3. Heat energy
4. Sound energy

Q. Name the device which converts sunlight into electricity.

Q. What is a solar cell panel ? For what purpose is it used ? State its two main advantages.

Q.

Name the material used in making solar cells.

Q. Fill in the following blanks with suitable words :
A solar cell converts ........... energy into ............... energy.

Q.

Which of the following cant be used to make a solar cell?

1. Silicon

2. Platinum

3. Gallium

4. Germanium

Q. State the advantages and disadvantages of using solar cells.

Q.

A combination of large number of solar cells is called

1. solar cell panel

2. Solar plant

3. Solar cooker

4. None of these

Q. Describe the construction and working of a box type solar cooker

Q.

The chief energy transformation that occurs in an electric cell (primary) is

1. Heat energy into electrical energy

2. Chemical energy into electrical energy

3. Electrical energy into Heat energy

4. Electrical energy into Chemical energy

Q. Solar cells convert solar energy into __________ energy.

1. Mechanical
2. Electrical
3. Sound
4. Kinetic

Q.

In a village named Kowakol in Bihar, there is no electricity. Still, Mr. Darshan Ram uses many electric appliances at his home like TV and Fridge. He is using a device to produce electricity. But Mr. Ram is not able to use electric appliances when the weather is cloudy. What is that device called?

1. Solar cooker

2. Solar panel (set of solar cells)

3. Solar heater

4. Biogas generator

Q.

………..are used in artificial satellites and space stations.

Q.

Name the device which directly converts solar energy into electrical energy.

Q.

A solar cell is made up of ______.

1. silicon

2. titanium

3. magnesium

4. teflon

Q. What are the advantages and limitations of solar energy?

Q.

A cell convert chemical energy into____________.

Q.

Among the given options which element is used in making solar cells?

1. Monocrystalline silicon

2. Lead

3. Stannous

4. Sulphur

Q.

List (i) any three advantages and (ii) any three limitations of using a solar cooker

Q.

What are solar cells?

Q.

High cost and low efficiency are the disadvantages of solar energy. Then then how can it be used in artificial satellites and space probes?

Q. Solar cell is a device which directly converts _______ into electric energy.

1. heat energy
2. mechanical energy
3. chemical energy
4. solar energy

Q. The largest solar power plant in India is located at __________.

1. Kamuthi in Tamil Nadu
2. Madurai in Tamil Nadu
3. Madhapur in Madhya Pradesh
4. Madhapur in Gujarat

Q.

The electric needs of an artificial satellite are fulfilled by using

1. nuclear energy

2. wind energy

3. chemicals

4. solar cell panels

Q.

Way of harness of solar energy

Q. What are the advantages and disadvantages of using a solar cooker?