An earth fault relay has a setting of 150% and a current rating of 5 A – McqOptions

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1.	An earth fault relay has a setting of 150% and a current rating of 5 A. It is connected to a current transformer of ratio 200:5. The current in the primary for which the relay picks up is
A.	7.5 A
B.	20 A
C.	300 A
D.	1500 A
Answer» D. 1500 A

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