Analog Electronics Voltage Series (feedback also called series-shunt feedback) results in Decreases in both input & output impedances Decrease in input impedance & increase in output impedance Increase in input impedance & decreases in output impedance Increase in both input & output impedances Decreases in both input & output impedances Decrease in input impedance & increase in output impedance Increase in input impedance & decreases in output impedance Increase in both input & output impedances ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When there is no base current in a transistor switch, the output voltage from the transistor is unknown. high. low. unchanged. unknown. high. low. unchanged. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics An amplifier without feedback has a voltage gain of 50,input resistance os 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedbacik factor of 0.2 is 5KΩ 1/11KΩ 11KΩ 1/5KΩ 5KΩ 1/11KΩ 11KΩ 1/5KΩ ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If=0.98, Ico=6µA and Iβ=100µA for a transistor,then the value of Ic will be 2.3mA 4.6mA 3.2mA 5.2mA 2.3mA 4.6mA 3.2mA 5.2mA ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The β of a transistor is the ratio of the collect current to base current. emitter current to collector current. base current to collector current. collect current to emitter current. collect current to base current. emitter current to collector current. base current to collector current. collect current to emitter current. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The main advantage of CMOS is its high power rating. low power consumption. switching capability. small - signal operation. high power rating. low power consumption. switching capability. small - signal operation. ANSWER DOWNLOAD EXAMIANS APP
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