Assume that the second stage of a multistage amplifier is changed from a BJT to a JFET. Assume that the output resistance and gain of the FET stage is the same as the BJT stage it replaced. What affect, if any, will this have on the output of the multistage amplifier?
A) there will be no change B) current gain will decrease
C) voltage gain will increase D) voltage gain will decrease
C
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Los Cáncamos sin resalto pueden utilizarse para hacer _____ de una carga.
a. solamente tracción de levantamiento vertical b. solamente tracción de levantamiento en ángulo c. tracción de levantamiento vertical y en ángulo d. tracción de levantamiento vertical y tracción de levantamiento en ángulo hasta 45 grados
Most package ice machines are designed to be located in ambient temperatures of ____.
A. 30ºF to 110ºF B. 40ºF to 115ºF C. 50ºF to 115ºF D. 50ºF to 120ºF
A safe lift cannot occur unless the ____ is correctly determined.
A. center of weight B. center of gravity C. volume D. symmetry
What are the advantages of a truck diesel powered auxiliary power unit (APU)?
a.generate up to 4000 watts of electricity b.consume much less fuel than operating the truck engine c.can oparate both the cab/bunk heating and cooling systems when the truck is stationary d.all of the above