8) If z transform lies in ROC then == A. System is stable B. Inverse of system is stable C. Both system and its inverse are unstable D. Both system and its inverse are stable 9) Under damped response have a. damping ratio>1 b. 0>damping ratio<1c. damping ratio =1 d. damping ratio =010) We built control systems for _______ == a. remote control, b. stability, c. overcomingdisturbances, d. All of above 11) The DSB category of AM system is generally used in ___________ == a. Oscillator b. Color information TV c. Oscilloscope12) Which is used to prevent power wastage on … _______ == a. FDM b. SSB c. DSB 13) If ROC does not lie inside unit circle, then == 1) FFT converges 2) Z-Transfrom converges 3) Z-Transform Diverges 14) The control system is used for == 15) To decrease the power in control system we use == 16) What will be the sampling frequency that reveals the same sampled signal == 17) z transform is used when the system is not == 18) For a LTI system if all the zeroes and poles are inside the unit circle then == 19) Which modulation technique has carrier signal either 1 or 0 state == 20) Pole of s-plane gives the information about == 21) ROC converges if poles and zeros lies inside == 22) Which equation best represents AM power? == 4.Oscillator whose frequency can be changed by a variable DC control voltage is…….5.For RLC circuit at low frequency z is larger then because……..6.Circuit that produces an out put wave from with any external signal source…7.vice voltage of transistor is very important in checking weather the transistor is…….8………..is maximum when rlc circuit is in resonance.9.power in inductive reactance of Circuit is………10.power which is actually dissipated in circuit resistance is called……11……..is product of RMS value of apply valtage and circuit current.12.Circuit current is ……… At resonance.13.net reactance is …….. When RLC circuit is in resonance14) In a sub marine power system power is transmitted through ______ cable.In a transformer leakage flux of each winding is proportional to current in that winding beacause ____For Common amplifier in BJT we mostly used ____

Reverse Biase Of JFET produces a depletion region within the channel thus ….Pole of s-plane gives the information about == ROC converges if poles and zeros lies inside == In RLC circuit ………………..a)power consumption is maximumb)inductive currentc)capacitive voltage3)which theorem is used to analyse fault……….Which system needs more stability ==

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- Fall '16
- Sir Mujahid