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प्रश्न
State whether a solar cell produces a.c. or d.c.
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उत्तर
Solar cell produces d.c. (direct current).
संबंधित प्रश्न
What is the source of heat contained in geothermal energy?
Write true or false of the following statement.
There is always some loss of energy in conversion from one form of energy to another form, so the total energy is not conserved.
Select the correct alternatives
The energy stored in an electric cell is
Give one example to show the conversion of potential energy to kinetic energy when put in use.
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is at the ground.
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?
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A compressed spring
State two advantages of using nuclear energy for producing electricity.
The solar cooker is an application of the ______ energy of the sun, while solar cells, solar lamps are applications of the ______ energy of the sun.
Geothermal energy is:
