Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The higher the amplitude of a waveform, the higher its frequency None of these The actual frequency of a sine waveform is 1.41 times the working frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The higher the amplitude of a waveform, the higher its frequency None of these The actual frequency of a sine waveform is 1.41 times the working frequency The longer the period of a waveform, the lower its frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: solar cell thermocouple None of these chemical cell electric device solar cell thermocouple None of these chemical cell electric device ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? None of these Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet None of these Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north 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 that would be repelled by the south pole of another magnet 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 attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet None of these that would be attracted to the earth's north magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the area of the plates None of these decreasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates increasing the area of the plates None of these decreasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? None of these 1750 mA 1.75 mA 17.5 mA 175 mA None of these 1750 mA 1.75 mA 17.5 mA 175 mA ANSWER DOWNLOAD EXAMIANS APP
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