Explain construction and working of electric potential and uses
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construction:-It consist of a rectangular coil PQRS of insulated copper wire suspended in a uniform magnetic field.The ends of rectangular coil are connected to the two copper metallic split ring"C"&"D" called split commutator.It rotates along with the coil.The external source such as battery sends the current to the coil through key and conducting stationary carbon brushes"X"&"Y"which slides ring "C"&"D" respectively.
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