Advertisements
Advertisements
Question
What differences would you expect in the charging of car batteries (i) in bright sunlight (ii) on a cloudy day (iii) at night?
Solution
(1) In bright sunlight, the car batteries are charged quickly.
(2) On a cloudy day, the car batteries are charged very slowly.
(3) At night, the car batteries cannot be charged as there is no sunlight.
APPEARS IN
RELATED QUESTIONS
What kind of mirror – concave, convex or plain – would be best suited for use in a solar cooker? Why?
Fill in the following blank with suitable word:
A solar cell converts ................ energy into ................ energy.
Solar cells are made of:
(a) conductors
(b) insulators
(c) semi-conductors
(d) super-conductors
Two statements are given - one labelled Assertion (A) and the other labelled Reason (R).
Assertion (A): A solar cooker cooks the meal due to the greenhouse effect.
Reason (R): The plane mirror is responsible for producing the greenhouse effect.
What are the major utilizers of solar energy in the world?
A silicon solar cell of dimension 1 sq.cm. generates a current of about ___________.
A silicon solar cell of dimension 1 sq.cm. generates __________ potential difference.
Solar energy is a non depleting energy. Justify.
What is the disadvantage of solar energy?
Choose the correct statement.