Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? None of these 200 W 20 W 100 W 1000 W None of these 200 W 20 W 100 W 1000 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current flowing through a conductor generates a magnetic field None of these Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field None of these Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel 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 77.7 ohm 224 ohm 89.3 ohm None of these 88.8 ohm 77.7 ohm 224 ohm 89.3 ohm 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? 14.8 µA 7.75 µA 10.3 µA 7.8 µA None of these 14.8 µA 7.75 µA 10.3 µA 7.8 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current is converted to dc voltage ac current and voltage are exactly in phase ac current lags the voltage by 90 degree None of these ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase ac current lags the voltage by 90 degree None of these ac current leads the voltage by 90 degree 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? 0.05 mA None of these 3.2 mA 13 mA 3.75 mA 0.05 mA None of these 3.2 mA 13 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
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