Which instrument works only with DC?

Q. The instrument which works only with DC is
- Published on 10 Sep 15

a. Electrolytic motor

b. Mercury motor

c. Induction motor

d. Both (a) and (b)

e. None of these

ANSWER: Both (a) and (b)

➨ 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.)