Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature None of these Decreases 0oC Increases Stays the same None of these Decreases 0oC Increases Stays the same 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 None of these 7.8 µA 14.8 µA 7.75 µA 10.3 µA None of these 7.8 µA 14.8 µA 7.75 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, ions, and neutrons Protons only Electrons, protons, and neutrons None of these Electrons, protons, and ions Electrons, ions, and neutrons Protons only Electrons, protons, and neutrons None of these Electrons, protons, and ions ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is -1 1 4 None of these -1 1 4 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many types of flow are there in a semiconductor? None of these 1 3 2 None of these 1 3 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz ANSWER DOWNLOAD EXAMIANS APP