Electronic Principles Which is the most widely used semiconductor? All of these Silicon Copper None of these Germanium All of these Silicon Copper None of these Germanium ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: equal to 0.707 times the peak amplitude the time required to complete one full cycle the number of cycles completed in one second equal to 1.41 times the peak amplitude None of these equal to 0.707 times the peak amplitude the time required to complete one full cycle the number of cycles completed in one second equal to 1.41 times the peak amplitude None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The emitter diode is usually Nonconducting None of these Reverse-biased Operating in the breakdwon region Forward-biased Nonconducting None of these Reverse-biased Operating in the breakdwon region Forward-biased 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? 3.75 mA 0.05 mA 13 mA None of these 3.2 mA 3.75 mA 0.05 mA 13 mA None of these 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a natural magnet an artificial magnet None of these a paramagnetic alloy a temporary magnet a natural magnet an artificial magnet None of these a paramagnetic alloy a temporary magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when the core material is saturated ANSWER DOWNLOAD EXAMIANS APP
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