Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 707 V 651 V None of these 700 V 208 V 707 V 651 V None of these 700 V 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common, non-rechargeable flashlight batteries? None of these Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary dry-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 secondary wet-cell batteries Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary dry-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? None of these 300 mA 208 mA 7.8 mA 200 mA None of these 300 mA 208 mA 7.8 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a series RLC circuit has the characteristics of a: purely resistive circuit series RC circuit series RLC circuit operated below its resonant frequency None of these series RL circuit purely resistive circuit series RC circuit series RLC circuit operated below its resonant frequency None of these series RL circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 kV is: 1000 V 1000 mV None of these 100 mV 1.00 V 1000 V 1000 mV None of these 100 mV 1.00 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 1 V 0.7V 0.3V None of these 2 m V per degree Celsius 1 V 0.7V 0.3V None of these 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
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