Physics · Control Systems
For a signal flow graph with forward paths G1 and G2, and a shared feedback loop with feedback factor H1 touching both forward paths, determine the overall transmittance relating output C and input R.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1G1 + G21 − G1H1 + G2H1
- 2G1 + G21 + G1H1 − G2H1
- 3G1 + G21 + G1H1 + G2H1✓
- 4G1G21 + G1H1 + G2H1
Correct answer
G1 + G21 + G1H1 + G2H1
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