A double-winding transformer has a primary coil with 500 turns and a secondary coil with 200 turns. If the primary voltage is 440V and the secondary voltage is 176V, what is the turns ratio (primary:secondary) and the approximate efficiency if primary power is 11kW and secondary power is 10.5kW?
A double-winding transformer has a primary coil with 500 turns and a…
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