Electronic Principles Which one of the following statements applies to common auto batteries? Auto batteries are primary dry-cell batteries None of these Auto batteries are primary wet-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are secondary dry-cell batteries Auto batteries are primary dry-cell batteries None of these Auto batteries are primary wet-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are secondary dry-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? None of these Ammeter Voltmeter Ohmmeter Wattmeter None of these Ammeter Voltmeter Ohmmeter Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Primary voltage Secondary voltage Impossible to say Neither None of these Primary voltage Secondary voltage Impossible to say Neither None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeance Permeability Retentivity There is no valid comparison Reluctance Permeance Permeability Retentivity There is no valid comparison Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the number of cycles completed in one second equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude None of these the time required to complete one full cycle the number of cycles completed in one second equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude None of these the time required to complete one full cycle ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: the time required to complete one full cycle the time required for the voltage to rise from 10% to 90% of the peak amplitude None of these the number of cycles completed in one second equal to 0.707 times the peak amplitude the time required to complete one full cycle the time required for the voltage to rise from 10% to 90% of the peak amplitude None of these the number of cycles completed in one second equal to 0.707 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
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