Which of the following rectifiers have been used extensively in supplying direct current for electroplating ?
(A) Copper oxide rectifiers
(B) Selenium rectifiers
(C) Mercury arc rectifiers
(D) Mechanical rectifiers
(E) None of the above
Share this... |
![]() Facebook
|
![]() Twitter
|
![]() Linkedin
|
![]() Whatsapp
|
Your email address will not be published. Required fields are marked *