Science Engineering Please complete this asap

What will be the condition of Fourier transform existence & stability of the system especially with an inclusion of jw axis in the ROC of s-plane? a. Fourier transform exists but system is unstable. b. Fourier transform does not exists due to system instability c. Fourier transform exists & system is stable. d. Fourier transform does not exist with stable system Which of the following phenomena helps to determine the concentration and mobility of charge carriers?a) Mass Action Lawb) Diffusion Currentc) Fermi-Level Effectd) Hall EffectWhich of the following condition exists under the reverse saturation region?a) Saturation current is greater than zero voltage currentb) Saturation current is exactly equal to terminal currentc) Saturation current is less than negative terminal currentd) Saturation current is nearly equal to negative terminal currentCommon Base Amplification Factor refer to which of the below mentioned ratios?a) Collector current to emitter current when Vcb is constantb) Emitter to base current when Vce is constantc)Collector to base current when Vee is constantd)None of the aboveVariation of silicon wafer thickness arises between which range of following mentioned values in the aspect of thin film technology?a) 50 A to 50000 Ab) 500 A to 50000Ac) 0.5 A to 500Ad) Both a & b depending on the requirement of epitaxial chip thickness.Undesired contamination of silicon surface in IC Fabrication process is prevented by ?a) Diffusionb) Epitaxyc) Oxidationd) PassivationWhat is an indication of Routh- Hurwitz criteria if the characteristic equation consists of only odd powers of ‘s’ ? a. Roots of characteristic equation are imaginary b. Roots of characteristic equation are real c. Both (a & b) d. None. Noise & ECG signals belongs to ______.a. Energy Signalsb. Random signalsc. Multi-dimensional signalsd. Deterministic SignalsWhat will be the value of settling time if the final value is supposed to be 5% of desired value?a. 2 times of time constantb. 3 times of time constantc. 4 times of time constantd. 5 times of time constant