BJT and FET Frequency Response - General Questions

What is the ratio of the output power to the input power at the cutoff frequencies in a normalized frequency response plot?

In the ________-frequency region, the capacitive elements of importance are the interelectrode (between terminals) capacitances internal to the active device and the wiring capacitance between the leads of the network.

In the input RC circuit of a single-stage BJT, by how much does the base voltage lead the input voltage for frequencies much larger than the cutoff frequency in the low-frequency region?

Which of the following capacitors is (are) included in C_i for the high-frequency region of a BJT or FET amplifier?

A change in frequency by a factor of ________ is equivalent to 1 decade.

Which of the following statements is true for a square-wave signal?

What is the ratio of the output voltage to the input voltage at the cutoff frequencies in a normalized frequency response plot?

In the hybrid  or Giacoletto model, which one of the following does r_b include?