If G(s) is a stable transfer function, then F(s)=1G(s) is always a stable transfer function.
A
True
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B
False
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Solution
The correct option is B False T.F of G(s)=(s+Z1)(s+Z2)(s+P1)(s+P2)
T.F of F(s)=(s+P1)(s+P2)(s+Z1)(s+Z2)
The condition for stability is that none of the pole of G(s) should beonthe right half of s-plane, but G(s) may have zeros in the right half of s-plane. These zeros become pole of F(s). Therefore the F(s) need not be stable (False).