Signals and Systems

Q1:
In the given figure 15.6 shows a series, R - C circuit fed by a current source i(t). There is an initial voltage v0. across the capacitor. The system

A is linear

B is non linear

C may be linear or non linear

D is linear only if v0 is zero

ANS:D - is linear only if v0 is zero

Due to presence of v0 the response will not proportional to cause. Hence v0 must be zero if it is a linear system.



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