Design 6th order Butterworth band-pass filter with cut-off frequency is 4KHz and 7KHz and pass-band gain is 20dB Draw the circuit, write the transfer function of the filter, and sketch a frequency spectrum of the filter and show the cutoff frequencies on the spectrum

If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.

The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody

Prove the equivalence between the two statements of the 2nd law of thermodynamics (i. e., a violation of one statement leads to the violatio the other statement)