A 50 Hz, bar primary CT has a secondary with 500 turns. The secondary – McqOptions

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1.	A 50 Hz, bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1 . The magnetizing ampere-turns are 200. What is the ratio error at full load, if the iron loss is 1.5 W and magnetizing mmf is 100 A?
A.	Zero
B.	45 Wb
C.	25.5 Wb
D.	100 Wb
Answer» C. 25.5 Wb

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