Electronic Principles Which is the most widely used semiconductor? Germanium Silicon None of these All of these Copper Germanium Silicon None of these All of these Copper ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? None of these Like magnetic poles attract; unlike poles repel Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field None of these Like magnetic poles attract; unlike poles repel Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 20 k Ohm None of these 2 k Ohm 10 k Ohm 1 k Ohm 20 k Ohm None of these 2 k Ohm 10 k Ohm 1 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 200 mA None of these 7.8 mA 300 mA 208 mA 200 mA None of these 7.8 mA 300 mA 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? None of these R = E2/P P = PR I = P/E P = E2/R None of these R = E2/P P = PR I = P/E P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For normal operation of the transistor, the collector diode has to be None of these Forward-biased Nonconducting Operating in the breakdown region Reverse-biased None of these Forward-biased Nonconducting Operating in the breakdown region Reverse-biased ANSWER DOWNLOAD EXAMIANS APP
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