Past questions
1) ROC converges if pole and zero lies inside ............................. a) origin b) z=1 c) pole d) zero.
2)z transform is use when system is not ........................................ a) converges b) diverges
3)the period of infinite continuous Fourier transform is ......................... a) N b) N+M c) 2*pi/N d)infinite
4)If ROC does not lies inside unit circle,then ................................ a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.
5)Z transform always lies around........................ a) origin b) pole c) zero d) z=1.
6)if z transform lies in ROC then................................... a)system is stable b)inverse of system is stable c)both system and its inverse are stable.
7)Continuous system in time domain ,and in frequency domain.....................................(There is no option in sample paper. sir you just write answer)
8)Velocity saturation in MOSFET is....................................
9)Natural frequency of a system gives....................................... 1) nature of transient 2) overshoot 3) oscillations 4) speed of response
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