9) The protective relay is specified as '4PDT' contact. What is the full form of it ?
Answer is:
4 Pole Double Throw contact
Related Relays and Voltage Regulators MCQ - Electrician (Set-1) with Answers
10) In I.C. type voltage regulator, it is designated as '7805'. What does the number '78' indicate ?
Answer is:
The positive output regulator
Answer is: