Manoj wanted to do social work work during vacations. He visited a remote village where there was no electricity. He made up his mind to help the villagers for getting the solar panels. For this he educated the villagers about the technology and uses of solar panels. He requested the villagers to apply for the same to the government as the same was given to the villagers on subsidised rates. Villagers agreed and applied for the solar panels. They got the same from government at reduced price. When the solar panels started working, the villagers were very happy.
Read the above passage and answer the following question:
(i) What is solar panel?
(ii) What is the basic principle of working of a solar cell?
What are the basic values you assess in manoj?

Explanation

(i) Solar panel is a pamel having large number of solar cells fitted side by side on it.
(ii) Solar cell is basically a solar energy converter. It is a p-n junction device which converts solar energy into electrical energy. If this energy is stored in a capacitor, it can be used for glowing bulbs.
(iii) Manoj displayed his will to do something for socity. Through his shear efforts, he got electricity within the reach of villagers, who were suffering otherwise. The work of manoj was highly appreciated by villagers.