engineering recuitment HPCL Engineer Mock Test 2024 Power Electronics and Drives Phase Controlled Rectifiers
A delayed full-wave rectified sinusoidal current has an average value equal to half its maximum value. Find the delay angle θ.
1
\(\theta = {\cos ^{ - 1}}\left( {\frac{\pi }{2} - \frac{1}{2}} \right)\;\;\)
2
\(\theta = {\cos ^{ - 1}}\left( {\frac{\pi }{2} + 1} \right)\)
3
\(\theta = {\cos ^{ - 1}}\left( {\frac{\pi }{2} - 1} \right)\)
4
\(\theta = {\cos ^{ - 1}}\left( {\frac{\pi }{2}} \right)\)