engineering recuitment UPCL AE (E&M) 2021 Mock Test Control Systems Signal Flow Graph and Block Diagram Block Diagram Reduction Technique
1
\(\frac{{C\left( s \right)}}{{R\left( s \right)}} = {G_1}{G_2}\)
2
\(\frac{{C\left( s \right)}}{{R\left( s \right)}} = 1 + {G_1} + {G_1}{G_2}\)
3
\(\frac{{C\left( s \right)}}{{R\left( s \right)}} = 1 + {G_2} + {G_1}{G_2}\)
4
\(\frac{{C\left( s \right)}}{{R\left( s \right)}} = {G_1} + {G_2}\)