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SSC JE EE Score Booster Quiz 12
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Question 1
The polarity test is not necessary for the single-phase transformer shown in Fig. 1 so as to correctly determine _____________of the transformer.
Question 2
No load current in a transformer:
Question 3
A transformer operates most efficiently at 3/4th full load. Its iron (PI) and copper loss (PCu) are related as:
Question 4
In Fig., the secondary induced e.m.f. ……………………..
Question 5
The impedance seen by the primary in Fig. is……………………
Question 6
The two windings of a transformer is
Question 7
Two transformers operating in parallel will share the load depending upon them
Question 8
Secondary winding of an auto transformer is also called_____.
Question 9
A ideal transformer has 66 turns in the secondary. What is the full-load primary current?
Question 10
A single-phase transformer, when supplied from 220 V, 50 Hz has an eddy current loss of 50W. If the transformer is connected to a voltage of 330 V, 50 Hz the eddy current loss will be?
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Dec 7ESE & GATE EE