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A coil of circular inflated copper wire which is turned in the form of cylinder is generally termed as a solenoid...
A ore is a naturally occuring solid substances from which a mineral could be obtained...
whereas ,
A mineral is an inorganic substances which is used as a raw material for various purposes ...
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2.Minerals are naturally occurring chemical substances. They are present in earth's crust and obtained by mining. Ores are the minerals from which a metal can be economically and conveniently extracted.
3.a cylindrical coil of wire acting as a magnet when carrying electric current.
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