Electronic Principles Holes act like: Negative charges Positive charges None of these Crystals Atoms Negative charges Positive charges None of these Crystals Atoms 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 Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.6 A 0.4 A 0.2 A 0.3 A None of these 0.6 A 0.4 A 0.2 A 0.3 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: None of these increasing the frequency of the applied voltage increasing the area of the plates increasing the voltage applied to the plates decreasing the area of the plates None of these increasing the frequency of the applied voltage increasing the area of the plates increasing the voltage applied to the plates decreasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that costs nothing An electron that has been freed from its parent atom An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron None of these An electron that costs nothing An electron that has been freed from its parent atom An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron None of these 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? 7.8 µA 10.3 µA 7.75 µA 14.8 µA None of these 7.8 µA 10.3 µA 7.75 µA 14.8 µA None of these ANSWER DOWNLOAD EXAMIANS APP
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