Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.7V None of these 1 V 0.3V 2 m V per degree Celsius 0.7V None of these 1 V 0.3V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal None of these Three - negative, positive and neutral terminals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 24 V None of these 18 V 12 V 30 V 24 V None of these 18 V 12 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as Nonlinear Linear Active None of these Bipolar Nonlinear Linear Active None of these Bipolar ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Protons only Electrons, ions, and neutrons Electrons, protons, and neutrons Electrons, protons, and ions None of these Protons only Electrons, ions, and neutrons Electrons, protons, and neutrons Electrons, protons, and ions None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? E = I2R None of these E = PR I = ER I = E/R E = I2R None of these E = PR I = ER I = E/R ANSWER DOWNLOAD EXAMIANS APP
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