Analog Electronics Voltage Series (feedback also called series-shunt feedback) results in Increase in both input & output impedances Decrease in input impedance & increase in output impedance Increase in input impedance & decreases in output impedance Decreases in both input & output impedances Increase in both input & output impedances Decrease in input impedance & increase in output impedance Increase in input impedance & decreases in output impedance Decreases in both input & output impedances ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Class B amplifier is biased just at cut-off. at midpoint of load line. nearly twice cut-off. None of these just at cut-off. at midpoint of load line. nearly twice cut-off. None of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The input impedance of the base of an emitter follower is usually low. shorted to ground. high. open. low. shorted to ground. high. open. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the current gain is unknown in an emitter-biased circuit, you cannot calculate the emitter current. collector current. base current. emitter voltage. emitter current. collector current. base current. emitter voltage. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In a properly biased NPN transistor most of the electrons from the emitter recombine with holes in the base . are stopped by the junction barrier. pass through the base to the collector. recombine in the emitter its self. recombine with holes in the base . are stopped by the junction barrier. pass through the base to the collector. recombine in the emitter its self. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If temperature increases then conductivity of a semiconductor is ................... Increases Decreases None of these Constant Increases Decreases None of these Constant ANSWER DOWNLOAD EXAMIANS APP