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Q. A photo-electric cell converts
A photo-electric cell converts light energy to electrical energy.
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Q. Thermoelectric current produced is large when
Q. The device used to convert solar energy into electricity is
Q. How far away from the surface of the Earth does the acceleration due to gravity become Â&frac1...
Q. A periscope works by the principle of
Q. An electrical fuse is used to interrupt excessive________?
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