|
The frequency of A.C. mains in India is |
|||
|
(a) |
30 Hz |
(b) |
50 Hz |
|
(c) |
60 Hz |
(d) |
120 Hz |
|
The frequency of A.C. mains in India is |
|||
|
(a) |
30 Hz |
(b) |
50 Hz |
|
(c) |
60 Hz |
(d) |
120 Hz |