railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Electrical Machines Transformer Transformer Construction
The primary to secondary turns ratio of a transformer is 1 ∶ 2. If primary is connected to 50 Hz supply. then the frequency of secondary supply in Hz is:
1
2 × 50
2
3 × 50
3
\(\frac{50}{2}\)
4
50