Class 10th | Magnetic effects of electric current...
In an electric motor, why do we use rectangular coil for passing current? Why not simple wire?
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In an electric motor, a rectangular coil is suspended between the two poles of a magnetic field. ... As it reaches the half way, the split ring which acts as commutator reverses the direction of flow of electric current. Reversal of direction of current reverses the direction of forces acting on the coil.
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