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Energy cannot be created but can be destroyed
Energy can neither be created nor destroyed
Energy can be created but not destroyed
Energy can be created as well as destroyed
Consider a static point charge. if the charge is negative, then the electric line of the forces are :
Conversion of a substance directly from solid to vapour state is known as
Conversion of heat into electrical er is attained by using:
Conversion of sound energy into electrical energy is done by
Convex lenses are used for the correction of
Convex mirrors are used as a rear view mirror in motor cycles as
Convex mirrors are used as a rear view mirror in motor cycles because
Coolis tube is used to produce
Copper wires are generally used for electrical power transmission instead of iron wire because :
Copper wires are generally used for electrical power transmission instead of iron wires because