Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 11 mA 12 mA None of these 14 mA 10 mA 11 mA 12 mA None of these 14 mA 10 mA 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? 0.3 A 0.6 A 0.4 A 0.2 A None of these 0.3 A 0.6 A 0.4 A 0.2 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: equal to the source voltage divided by total current None of these less than the value of the smallest capacitor equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current None of these less than the value of the smallest capacitor equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 200 W 100 W 20 W 1000 W None of these 200 W 100 W 20 W 1000 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? P = E2/R None of these P = PR I = P/E R = E2/P P = E2/R None of these P = PR I = P/E R = E2/P ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value? 99 Ohm - 102 ohm 90 Ohm - 110 ohm 90 Ohm - 101 ohm None of these 98 Ohm - 100.1 ohm 99 Ohm - 102 ohm 90 Ohm - 110 ohm 90 Ohm - 101 ohm None of these 98 Ohm - 100.1 ohm ANSWER DOWNLOAD EXAMIANS APP