Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA 0.05 mA 13 mA None of these 3.75 mA 3.2 mA 0.05 mA 13 mA None of these 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 200 A 0.5 mA 2 mA None of these 0.083333333333333 200 A 0.5 mA 2 mA None of these 0.083333333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? None of these Reluctance Flux density Number of lines of force Magnetomotive force None of these Reluctance Flux density Number of lines of force Magnetomotive force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? stays the same decreases increases any of the above None of these stays the same decreases increases any of the above None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Stays the same Decreases Increases 0oC None of these Stays the same Decreases Increases 0oC None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms are both ac or both dc None of these All of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency their waveforms are both ac or both dc None of these All of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency ANSWER DOWNLOAD EXAMIANS APP
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