Which circuit among the following requires a supply of 48 V DC source – McqOptions

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1.	Which circuit among the following requires a supply of 48 V DC source?
A.	Trip coils and closing coils
B.	Micro wave protection and communication
C.	Dc measuring instruments
D.	All of these
E.	None of these
Answer» C. Dc measuring instruments

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<p> Which circuit among the following requires a supply of 48 V DC source?</p>