Electronic Principles Current is The number of free electrons in an atom None of these An imbalance of electrical charges The flow of charged particles through a material The force that causes electrons to flow The number of free electrons in an atom None of these An imbalance of electrical charges The flow of charged particles through a material The force that causes electrons to flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: piezoeletric cells None of these solar cells voltage generators chemical cells piezoeletric cells None of these solar cells voltage generators chemical cells ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Secondary voltage Neither Impossible to say Primary voltage None of these Secondary voltage Neither Impossible to say Primary voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 350 µA 250 µA 0.25 µA 300 µA None of these 350 µA 250 µA 0.25 µA 300 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? An insulator allows current to flow much easier than a conductor does None of these The difference between conductors and insulators depends on how they are used A conductor allows current to flow much easier than an insulator does An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all An insulator allows current to flow much easier than a conductor does None of these The difference between conductors and insulators depends on how they are used A conductor allows current to flow much easier than an insulator does An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? None of these 10 Ohm 60 Ohm 100 Ohm or more 50 Ohm None of these 10 Ohm 60 Ohm 100 Ohm or more 50 Ohm ANSWER DOWNLOAD EXAMIANS APP
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