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? 88.8 ohm None of these 77.7 ohm 224 ohm 89.3 ohm 88.8 ohm None of these 77.7 ohm 224 ohm 89.3 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? The ac voltage leads the current by 90 degree None of these Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow The ac voltage leads the current by 90 degree None of these Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow 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 10 mW 300 mW 20 mW None of these 200 mW 10 mW 300 mW 20 mW None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The concentration of lines of magnetic force None of these The force that maintains lines of force The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force None of these The force that maintains lines of force The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 10.3 µA 7.75 µA 14.8 µA 7.8 µA None of these 10.3 µA 7.75 µA 14.8 µA 7.8 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency None of these Power dissipation of a pure capacitor decreases with operating frequency Power dissipation of a pure capacitor increases with operating frequency All of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency None of these Power dissipation of a pure capacitor decreases with operating frequency Power dissipation of a pure capacitor increases with operating frequency All of these ANSWER DOWNLOAD EXAMIANS APP
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