Which circuit requires supply of 48 V DC source?

Q.  Which circuit among the following requires a supply of 48 V DC source?
- Published on 28 Sep 15

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: Micro wave protection and communication

Post your comment / Share knowledge


Enter the code shown above:

(Note: If you cannot read the numbers in the above image, reload the page to generate a new one.)