Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 43891 43922 3 None of these 2 43891 43922 3 None of these 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 2 m V per degree Celsius None of these 0.7V 0.3V 1 V 2 m V per degree Celsius None of these 0.7V 0.3V 1 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 120 V 170 V 100 V None of these 180 V 120 V 170 V 100 V None of these 180 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.6 A 0.3 A 0.2 A None of these 0.4 A 0.6 A 0.3 A 0.2 A None of these 0.4 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Recombination Ions Barrier potential Doping None of these Recombination Ions Barrier potential Doping None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Rectify line voltage None of these Emit light Amplify weak signals Regulate voltage Rectify line voltage None of these Emit light Amplify weak signals Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
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