Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 690 ohm 445 ohm 150 ohm None of these 220 ohm 690 ohm 445 ohm 150 ohm None of these 220 ohm 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 208 V None of these 707 V 651 V 700 V 208 V None of these 707 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point nowhere down None of these up off the load line nowhere down None of these up off the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: None of these equal to the sum of the individual capacitance values equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current less than the capacitance value of the smallest capacitor None of these equal to the sum of the individual capacitance values equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current less than the capacitance value of the smallest capacitor 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 0.4 A None of these 0.6 A 0.3 A 0.2 A 0.4 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? less than 1 Ohm 690 Ohm None of these 312 Ohm 1590 Ohm less than 1 Ohm 690 Ohm None of these 312 Ohm 1590 Ohm ANSWER DOWNLOAD EXAMIANS APP
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