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 0.25 µA 250 µA 300 µA None of these 350 µA 0.25 µA 250 µA 300 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Protons only Electrons, protons, and neutrons None of these Electrons, ions, and neutrons Electrons, protons, and ions Protons only Electrons, protons, and neutrons None of these Electrons, ions, and neutrons Electrons, protons, and ions ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the base current None of these supply current emitter current collector current base current None of these supply current emitter current collector current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 170 V 120 V None of these 180 V 100 V 170 V 120 V None of these 180 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle equal to 1.41 times the peak amplitude the number of cycles completed in one second equal to 0.707 times the peak amplitude None of these the time required to complete one full cycle equal to 1.41 times the peak amplitude the number of cycles completed in one second equal to 0.707 times the peak amplitude None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole None of these that would be attracted to the earths north magnetic pole that would be repelled by the north pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole None of these that would be attracted to the earths north magnetic pole that would be repelled by the north pole of another magnet ANSWER DOWNLOAD EXAMIANS APP