Teaching MPPSC Assistant Professor Mock Test Series 2025 Physics Electromagnetic Oscillations and Alternating Current Transformers
How much current is drawn by the primary coil of a transformer, which steps down 220 V to 55 V to operate a device with an impedance of 275 Ω ?
1
0.05 A
2
0.02 A
3
0.2 A
4
0.15 A