In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is
A. $$\frac{{\text{G}}}{{1 + {\text{H}}}}$$
B. $$\frac{{\text{H}}}{{1 + {\text{G}}}}$$
C. $$\frac{{\text{G}}}{{\text{H}}}$$
D. $$\frac{{\text{H}}}{{\text{G}}}$$
Answer: Option B
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