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 3.2 mA 13 mA 0.05 mA 3.75 mA None of these 3.2 mA 13 mA 0.05 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more protons than electrons None of these An atom that contains more electrons than protons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons An atom that contains more protons than electrons None of these An atom that contains more electrons than protons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? None of these 300 µA 0.25 µA 350 µA 250 µA None of these 300 µA 0.25 µA 350 µA 250 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance cuts the capacitive reactance in half None of these has no effect on the capacitive reactance multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance cuts the capacitive reactance in half None of these has no effect on the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 77.7 ohm None of these 89.3 ohm 88.8 ohm 224 ohm 77.7 ohm None of these 89.3 ohm 88.8 ohm 224 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RC circuit? The total voltage is equal to the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is greater than the sum of the voltages across the resistance and capacitance None of these The total voltage is equal to the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is greater than the sum of the voltages across the resistance and capacitance None of these ANSWER DOWNLOAD EXAMIANS APP
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