UFPB Documents (72)
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UFPB Questions & Answers
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- a) Calculate VB(Q1), VE(Q1), IE(Q2), VCE(Q2) b)The following 2N3904 has C'c = 4 pF. If the parasitic capacitance of the wiring is 10 pF, what is the cutoff
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- a) Voltage-controlled amplifiers typically have a lower input impedance than current amplifiers? b)The gain of a FET amplifier is given in Siemens.? c)FET
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- A homogeneous disc with a density of 7g/cm3 , horizontal, radius 0.50 m and thickness 5.0 cm, rotates around a vertical axis passing through the center with an
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- A boy pulls at constant speed a 10kg block on an incline, 20 in relation to horizontal. Determine the energy expended by the boy to let the block rest at 10 m
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- A homogeneous disc with a density of 7g/cm3 , horizontal, radius 0.50 m and thickness 5.0 cm, rotates around a vertical axis passing through the center with an
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- Determine the Drain-Source voltage on the following circuit
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- A 2N3370 JFET has IDSS = 2.5 mA and gm0 = 1500 mho. what is the value of gm for a VGS = -2V.
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- A loudspeaker emits an acoustic wave that travels through the air at a speed of 343 m/s and frequency 1000 Hz. The loudspeaker is connected to a spring
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