Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? None of these 3.75 mA 0.05 mA 13 mA 3.2 mA None of these 3.75 mA 0.05 mA 13 mA 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: cuts the capacitive reactance in half doubles the amount of capacitive reactance has no effect on the capacitive reactance multiplies the capacitive reactance by 7 None of these cuts the capacitive reactance in half doubles the amount of capacitive reactance has no effect on the capacitive reactance multiplies the capacitive reactance by 7 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 550 Ohm 410 Ohm 400 Ohm 310 Ohm None of these 550 Ohm 410 Ohm 400 Ohm 310 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal voltage source and series resistor Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor None of these Ideal voltage source and series resistor Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 0.7 V 0.8 V 20 V None of these 0.7 V 0.8 V 20 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 50 Ohm or more 100 Ohm 6 Ohm None of these 5 Ohm 50 Ohm or more 100 Ohm 6 Ohm None of these 5 Ohm ANSWER DOWNLOAD EXAMIANS APP
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