Electronic Principles How may valence electrons does a silicon atom have? 1 None of these 2 4 1 None of these 2 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V 24 V 12 V None of these 18 V 30 V 24 V 12 V None of these 18 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 11 mA 10 mA None of these 12 mA 14 mA 11 mA 10 mA None of these 12 mA 14 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? None of these 0.041666666666667 0.93 V 0.93 W 9.3 W None of these 0.041666666666667 0.93 V 0.93 W 9.3 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: None of these two dielectrics separated by a conductor two coils separated by a conductor two coils separated by a dielectric two conductors separated by a dielectric None of these two dielectrics separated by a conductor two coils separated by a conductor two coils separated by a dielectric two conductors separated by a dielectric ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? 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 Current flowing through a conductor generates a magnetic field None of these Like magnetic poles repel, while unlike poles attract ANSWER DOWNLOAD EXAMIANS APP
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