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EK-General : 2019/JUL/11 – 2023/DEC/11
Question
Q11. With reference to the protection of electrical power circuits:
(a) explain discrimination, describing how it is achieved. (5)
(b) state, with reasons, the type of fuses used for protection; (3)
(c) explain preferential tripping. (2)
Asked in Year/Month/Ques No.