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 A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 16 V None of these 7.5 V 15 V 8 V 16 V None of these 7.5 V 15 V 8 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Electronical energy None of these Chemical energy Mechanical energy Solar energy Electronical energy None of these Chemical energy Mechanical energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: equal to the sum of the individual capacitance values equal to the source voltage divided by total current equal to the sun of the individual capacitive-reactance values None of these less than the value of the smallest capacitor equal to the sum of the individual capacitance values equal to the source voltage divided by total current equal to the sun of the individual capacitive-reactance values None of these less than the value of the smallest capacitor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a parallel RLC circuit is operating at its resonant frequency: capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance None of these capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Amplify weak signals Rectify line voltage Regulate voltage None of these Emit light Amplify weak signals Rectify line voltage Regulate voltage None of these Emit light ANSWER DOWNLOAD EXAMIANS APP
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