engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electronic Mechanic Electric Components Transformers and 3 Phase Systems
If a transformer has 50 turns in the primary winding and 10 turns in the secondary winding, what is the reflective resistance if the secondary load resistance is 250 Ω?
1
250 Ω
2
25 Ω
3
6,250 Ω
4
62,500 Ω