FC ATT TEST 5 ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS

FC ATT TEST 5 ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS Transistor amplifiers require what type of signal to function? - Answer - DC bias and AC input signals What changes are necessary for amplification to occur? - Answer -Small change in base voltage, large change in collector current What amplifier has the best fidelity? - Answer -class A What amplifier has the best efficiency? - Answer -class C When an input is applied across the emitter to base PN Junction, what is the relative resistance? - Answer -low When an input is applied across the collector to base PN Junction, What is the relative resistance? - Answer -high, because it is reverse biased The purpose of a transistor is to: - Answer -control signals A cutoff transistor acts like it's: - Answer -open What type of amplifier configuration has the input applied to the emitter and the output taken from the collector? - Answer -common base