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SSC JE EE Electric Machines Quiz 4
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Question 1
A 220/440 V, 50 Hz, 5 KVA, single phase transformer operates on 220V, 40Hz supply with secondary winding open circuited then
Question 2
No load current in a transformer:
Question 3
In the circuit shown in Fig. , the primary current is
Question 4
A 3-phase transformer has its primary connected in delta and secondary in star. Secondary to primary turns ratio per phase is 5. For a primary phase voltage of 400 V, the secondary line voltage would be
Question 5
A transformer has a turns ratio of The impedance of the primary winding is ohms while that of secondary winding is ohms. The impedance of the transformer when referred to the primary will be
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