Electronic Principles How may valence electrons does a silicon atom have? None of these 2 1 4 None of these 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: oscillators None of these generators lightning batteries oscillators None of these generators lightning batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? None of these All of these Germanium Silicon Copper None of these All of these Germanium Silicon Copper 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? 24 V None of these 12 V 18 V 30 V 24 V None of these 12 V 18 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The emitter diode is usually Operating in the breakdwon region Forward-biased Nonconducting Reverse-biased None of these Operating in the breakdwon region Forward-biased Nonconducting Reverse-biased None of these ANSWER DOWNLOAD EXAMIANS APP
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