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  4. The ratio of secondary to the primary turns in a transformer is 3: 2 and the output power is P. Neglecting all power losses, the input power must be

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Q. The ratio of secondary to the primary turns in a transformer is 3 : 2 and the output power is P.
Neglecting all power losses, the input power must be

KCETKCET 2003Electromagnetic Induction

Solution:

Since losses are negligible the input power is equal to the output power.