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The phase-lead network function G C left( s right) = frac...

This question belongs to Electronics And Communications Engineering Control Systems
Control Systems
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The phase-lead network function $${G_C}\left( s \right) = \frac{{s + \frac{1}{T}}}{{s + \frac{1}{{aT}}}},$$    where a < 1 would provide maximum phase-lead at a frequency of:

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Correct Answer: Option C
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