engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Physics Electromagnetic Oscillations and Alternating Current
An alternating voltage v(t) = 220 sin 100πt volt is applied to a purely resistive load of 50 Ω. The time taken for the current to rise from half of the peak value to the peak value is:
1
5 ms
2
2.2 ms
3
7.2 ms
4
3.3 ms