defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Physics Electromagnetic Oscillations and Alternating Current Alternating Current
The values of voltage and frequency of electric supply for domestic use in India are:
1
220 V (r.m.s), 60 Hz.
2
220 V (r.m.s), 50 Hz
3
220 V (r.m.s), 100 Hz
4
220 V (r.m.s), 80 Hz.