Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its rms value from 10% of the peak value to 70.7% of the peak value None of these from zero to its peak value from 10% of the peak value to 90% of the peak value from zero to its rms value from 10% of the peak value to 70.7% of the peak value None of these from zero to its peak value from 10% of the peak value to 90% of the peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from right to left None of these from positive to negative from negative to positive from neutral to positive from right to left None of these from positive to negative from negative to positive from neutral to positive 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? Flux density Reluctance None of these Number of lines of force Magnetomotive force Flux density Reluctance None of these Number of lines of force Magnetomotive force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? None of these Silicon Germanium Copper All of these None of these Silicon Germanium Copper All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 0.1 A 1000 A 0.41666666666667 None of these 100 A 0.1 A 1000 A 0.41666666666667 None of these 100 A 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? 3.2 mA 3.75 mA None of these 0.05 mA 13 mA 3.2 mA 3.75 mA None of these 0.05 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
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