Electronic Principles What is a free electron? None of these An electron that has no electrical charge An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that costs nothing None of these An electron that has no electrical charge An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that costs nothing ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 10.3 µA 7.8 µA 14.8 µA None of these 7.75 µA 10.3 µA 7.8 µA 14.8 µA None of these 7.75 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the supply current None of these emitter current collector current base current supply current None of these emitter current collector current base current 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? 0.041666666666667 9.3 W 0.93 W None of these 0.93 V 0.041666666666667 9.3 W 0.93 W None of these 0.93 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? The difference between conductors and insulators depends on how they are used None of these An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all A conductor allows current to flow much easier than an insulator does An insulator allows current to flow much easier than a conductor does The difference between conductors and insulators depends on how they are used None of these An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all A conductor allows current to flow much easier than an insulator does An insulator allows current to flow much easier than a conductor does ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: None of these from 10% of the peak value to 70.7% of the peak value from zero to its rms value from 10% of the peak value to 90% of the peak value from zero to its peak value None of these from 10% of the peak value to 70.7% of the peak value from zero to its rms value from 10% of the peak value to 90% of the peak value from zero to its peak value ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS