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The polar plot of a closed-loop system with a transfer function G/1 + GH is drawn for—
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- G
- 1 + GH
- GH
- G/1 + GH
- G
Correct Option: C
The polar plot always drawn for open loop transfer function.
Thus, for a given closed-loop system with a transfer function G/1 + GH, we will draw the plot for G.H. (i.e., open loop transfer function).
