Moving iron power factor meter does not consist of control spring

Q.  Moving iron power factor meter are suitable for 3 phase balanced circuits. It consists of
- Published on 16 Sep 15

a. One control spring
b. Two control spring
c. Three control spring
d. No control spring

ANSWER: No control spring

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.)