Electronic Principles What are the main parts of an atom? Electrons, protons, and ions Electrons, protons, and neutrons None of these Protons only Electrons, ions, and neutrons Electrons, protons, and ions Electrons, protons, and neutrons None of these Protons only Electrons, ions, and neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 200 mW None of these 300 mW 20 mW 10 mW 200 mW None of these 300 mW 20 mW 10 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.5 180 0.25 None of these 4 0.5 180 0.25 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
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 0.05 mA 3.75 mA 3.2 mA 13 mA None of these 0.05 mA 3.75 mA 3.2 mA 13 mA 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? None of these 88.8 ohm 89.3 ohm 77.7 ohm 224 ohm None of these 88.8 ohm 89.3 ohm 77.7 ohm 224 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a series RLC circuit has the characteristics of a: series RL circuit series RC circuit purely resistive circuit None of these series RLC circuit operated below its resonant frequency series RL circuit series RC circuit purely resistive circuit None of these series RLC circuit operated below its resonant frequency ANSWER DOWNLOAD EXAMIANS APP
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