Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.75 mA None of these 13 mA 0.05 mA 3.2 mA 3.75 mA None of these 13 mA 0.05 mA 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 690 ohm 150 ohm 220 ohm 445 ohm None of these 690 ohm 150 ohm 220 ohm 445 ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: always decreases as the applied frequency increases is maximum at the resonant frequency None of these always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases is maximum at the resonant frequency None of these always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RC circuit? None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and capacitance The total voltage leads the total current by less than 90 degree The total voltage is less than the sum of the voltages across the resistance and capacitance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and capacitance The total voltage leads the total current by less than 90 degree The total voltage is less than the sum of the voltages across the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 200 k Ohm or more None of these 20 km or less 20 k Ohm or more 200 k Ohm or less 200 k Ohm or more None of these 20 km or less 20 k Ohm or more 200 k Ohm or less ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 1.75 mA 17.5 mA 1750 mA 175 mA None of these 1.75 mA 17.5 mA 1750 mA 175 mA None of these ANSWER DOWNLOAD EXAMIANS APP
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