Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 37.4 V None of these 35.4 V 38.74 V 30.4 V 37.4 V None of these 35.4 V 38.74 V 30.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The saturation point is approximately the same as infinity lower end of the load line None of these upper end of the load line cutoff point infinity lower end of the load line None of these upper end of the load line cutoff point ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 690 Ohm 1590 Ohm None of these 312 Ohm less than 1 Ohm 690 Ohm 1590 Ohm None of these 312 Ohm less than 1 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: None of these they have the same amplitude and frequency their waveforms are both ac or both dc All of these their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency their waveforms are both ac or both dc All of these their waveforms cross through zero and reach positive and negative peaks at the same time ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 0.20833333333333 50 A 20 A None of these 0.20833333333333 50 A 20 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common, non-rechargeable flashlight batteries? Common flashlight batteries are secondary dry-cell batteries None of these Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are secondary dry-cell batteries None of these Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary wet-cell batteries ANSWER DOWNLOAD EXAMIANS APP
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