What is stridulation?
What will be an ideal response?
The noise made (chirp) when body parts, usually legs, are rubbed together, as in the chirp of a cricket.
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? Identify and state the historical significance of the National Banking System.
What will be an ideal response?
If a parallel circuit has two resistors, R1 and R2, what is the total resistance?
a. 
b.
c. 
d. 
Which is not a characteristic of a common-emitter (CE) BJT amplifier?
A) high range values of voltage and current gain B) midrange input and output impedance values C) high power gain D) midrange values of voltage and current gain
A __________ is used to measure very low pressures above the flame in a heating appliance to verify the flow of flue gases up a chimney or vent
A. draft gauge B. pressure gauge C. smoke tester D. vacuum gauge