Electronic Principles What is the barrier potential of a silicon diode at room temperature? None of these 0.7V 1 V 0.3V 2 m V per degree Celsius None of these 0.7V 1 V 0.3V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always decreases as the applied frequency increases is minimum at the resonant frequency is maximum at the resonant frequency None of these always increases as the applied frequency increases always decreases as the applied frequency increases is minimum at the resonant frequency is maximum at the resonant frequency None of these always increases as the applied frequency increases 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? 300 µA 250 µA 350 µA 0.25 µA None of these 300 µA 250 µA 350 µA 0.25 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that would be attracted to the earth's south magnetic pole None of these that would be attracted to the earth's north magnetic pole that has its molecules arranged in a random pattern that would be repelled by the south pole of another magnet that would be attracted to the earth's south magnetic pole None of these that would be attracted to the earth's north magnetic pole that has its molecules arranged in a random pattern that would be repelled by the south pole of another magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Impossible to say None of these Neither Secondary voltage Primary voltage Impossible to say None of these Neither Secondary voltage Primary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Twice the primary current None of these Same as the primary current No more than 10% less than the primary current One-half the primary current Twice the primary current None of these Same as the primary current No more than 10% less than the primary current One-half the primary current ANSWER DOWNLOAD EXAMIANS APP
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