Please choose the most appropriate answers to complete the following sentences. 20%

Choose the right answer regarding this circuit.   

Choose the right answer regarding this circuit.   

which one of the following sentence is correct?

What is the phase shift of an all-pass filter at its resonance frequency f0? Enter your answer in degrees.

45. Macula densa cells monitor the concentration of

Consider the schematic of a passive filter shown in the figure. If C = 0.01 μF and the load resistor is 10 kΩ, what value of R would be needed to achieve a cut off frequency of 2100 Hz? Express your answer in Ohms, rounded to the nearest Ohm.

20. The male voice tends to be in a lower range than a female’s voice because men have

We want to design a bandpass filter of bandwidth 7.5 kHz with a cascaded low pass filter (LPF) and high pass filter (HPF). What should the cut-off frequencies of each filter be?  

A JFET can be used as a voltage-controlled resistor by adjusting the drain voltage.