Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 85 6 None of these 81 9 85 6 None of these 81 9 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances None of these The total resistance of a parallel circuit is equal to the total voltage The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances None of these The total resistance of a parallel circuit is equal to the total voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? None of these 4 1 2 None of these 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 50 Ohm or more 5 Ohm 100 Ohm 6 Ohm None of these 50 Ohm or more 5 Ohm 100 Ohm 6 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the sum of the individual capacitive-reactance values less than the capacitance value of the smallest capacitor None of these equal to the sum of the individual capacitance values equal to the source voltage divided by total current equal to the sum of the individual capacitive-reactance values less than the capacitance value of the smallest capacitor None of these equal to the sum of the individual capacitance values equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
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? 700 V None of these 208 V 707 V 651 V 700 V None of these 208 V 707 V 651 V ANSWER DOWNLOAD EXAMIANS APP
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