From the above graph of the core losses per cycle is, the hysteresis – McqOptions

MCQOPTIONS

1.	From the above graph of the core losses per cycle is, the hysteresis losses per phase for a transformer at a operating frequency of 40 Hz is?
A.	20W
B.	30W
C.	80W
D.	32W
Answer» B. 30W

Discussion

No Comment Found

Related MCQs

The efficiency of a transformer can be calculated accurately from ___________
From the above graph of the core losses per cycle is, the eddy losses per phase for a transformer at a operating frequency of 40 Hz is?
From the above graph of the core losses per cycle is, the hysteresis losses per phase for a transformer at a operating frequency of 40 Hz is?
The full load voltage drop in a 1-phase transformer is 2% and 4% respectively due to resistance and leakage reactance. Then the voltage drop is zero at __________
The full load voltage drop in a 1-phase transformer is 2% and 4% respectively due to resistance and leakage reactance. Then the voltage drop is maximum at __________
The load current at which maximum efficiency occurs is independent of the load power factor.
The efficiency of a 20 KVA, 2000/200 V, single phase transformer at unity pf is 98%. The given total losses at full load is 200 W. The pu resistance is?
The efficiency of a 20 KVA, 2000/200 V, single phase transformer at unity pf is 98%. The total losses at this condition is?
It is possible to attain maximum efficiency in a transformer when the ______
Which of the following mentioned losses occur in a transformer?