Analog Electronics If the series resistance increases in an unloaded zener regulator, the zener current increases. equals the voltage divided by the resistance. stays the same. decreases. increases. equals the voltage divided by the resistance. stays the same. decreases. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Voltage Series (feedback also called series-shunt feedback) results in Increase in input impedance & decreases in output impedance Decrease in input impedance & increase in output impedance Increase in both input & output impedances Decreases in both input & output impedances Increase in input impedance & decreases in output impedance Decrease in input impedance & increase in output impedance Increase in both input & output impedances Decreases in both input & output impedances ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If=0.98, Ico=6µA and Iβ=100µA for a transistor,then the value of Ic will be 4.6mA 3.2mA 5.2mA 2.3mA 4.6mA 3.2mA 5.2mA 2.3mA ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which of the following is expected to have highest input impedance? JEFT amplifier. Common collector bipolar transistor CE bipolar transistor. MOSFET. JEFT amplifier. Common collector bipolar transistor CE bipolar transistor. MOSFET. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the zener diode in a zener regulator is connected with the wrong polarity, the load voltage will be closest to 14 V. 10 V. 18 V. 0.7 V. 14 V. 10 V. 18 V. 0.7 V. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The voltage follower has a large closed - loop output impedance. closed - loop bandwidth of zero. closed - loop voltage gain of unity. small open - loop voltage gain. large closed - loop output impedance. closed - loop bandwidth of zero. closed - loop voltage gain of unity. small open - loop voltage gain. ANSWER DOWNLOAD EXAMIANS APP
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