state gov BSSC Laboratory Assistant Mock Test Series 2025 Physics Electromagnetic Oscillations and Alternating Current Transformers
In an ideal transformer, the turns ratio is \(\rm \frac{N_P}{N_S}=\frac{1}{2}\) The ratio VS : VP is equal to (the symbols carry their usual meaning) :
1
1 : 2
2
2 : 1
3
1 : 1
4
1 : 4