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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
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving bus
What is solar energy?
What do you understand by the potential energy of the body?
Explain the principle of working of the windmill for generating electricity.
State the energy transformation on the following:
Electricity obtained from hydro energy.
Give one example when:
Sound energy changes to electric energy.
What is the form of that graph between
(i) K.E. and velocity for a constant mass?
(ii) K.E. and mass for a constant velocity?
Obtain an expression for the kinetic energy of a body of mass m moving with a velocity v?
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A moving bus
