railway RRB Technician Grade 1 Mock Test 2024 Physics Electromagnetic Oscillations and Alternating Current Transformers
The turns ratio of a transformer used in half-wave rectifier is n1 ∶ n2 = 12 ∶ 1. The primary is connected to the power mains of 220 V, 50 Hz. Assuming the diode resistance in forward bias to be zero, calculate the dc voltage across the load
1
8.24 V
2
4.12 V
3
2.8 V
4
16.48 V