engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electrician and Wireman Electrical Networks Alternating Current
What is the correct expression for the phase angle in an RLC series circuit?
1
\(\phi = {\tan ^{ - 1}}\frac{{{X_L} - {X_C}}}{R}\)
2
\(\phi = {\tan ^{ - 1}}\frac{{{X_L} + {X_C}}}{R}\)
3
\(\phi = \tan \frac{{{X_L} - {X_C}}}{R}\)
4
\(\phi = {\tan ^{ - 1}}\left( {{X_L} - {X_C}} \right)\)