The unit step response of an under damped second system has steady state value of - 2. Which one of the following transfer functions has these properties?

It is very likely in __________ gate family that when one gate is driving number of gates in __________ , a gate having least voltage for saturation may consume large __________ leaving other gates inoperative and this phenomenon is called __________ .

Which of the transistor models is most preferred for the analysis of a transistor circuit both at mid-band and at high frequencies?

The circuit shown depicts :

Consider the following statements:
For a square waveguide of cross-section 3m x 3m it has been found

1. At 6 GHz dominant mode will propagate
2. At 4 GHz only dominant modes and evanescent
3. At 11 GHz all the modes and no higher order mode will propagate
4. At 7 GHz degenerate modes will propagate

Which of the above statements are correct?