A transformer has maximum efficiency at full load. Compare its all-day efficiency when operated (i) Full-load all the time (ii) Full-load half time and half load half time (iii) Full-load half time and no load half time Of these the correct answer is

Efficiency will be the same in all the three cases.

Efficiency will be highest in case (i) and lowest in case (ii).

Efficiency will be lowest in case (i) and highest in case (iii).

Efficiency will be highest in case (i) and lowest in case (iii).

A transformer has maximum efficiency at full load. Compare its all-day

1.	A transformer has maximum efficiency at full load. Compare its all-day efficiency when operated (i) Full-load all the time (ii) Full-load half time and half load half time (iii) Full-load half time and no load half time Of these the correct answer is
A.	Efficiency will be the same in all the three cases.
B.	Efficiency will be highest in case (i) and lowest in case (ii).
C.	Efficiency will be lowest in case (i) and highest in case (iii).
D.	Efficiency will be highest in case (i) and lowest in case (iii).
Answer» E.

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A transformer has maximum efficiency at full load. Compare its all-day efficiency when operated (i) Full-load all the time (ii) Full-load half time and half load half time (iii) Full-load half time and no load half time Of these the correct answer is

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