Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 410 Ohm 550 Ohm None of these 400 Ohm 310 Ohm 410 Ohm 550 Ohm None of these 400 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 20 mW 200 mW None of these 300 mW 10 mW 20 mW 200 mW None of these 300 mW 10 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? The voltage waveform for each component always has the same amplitude and phase as the applied voltage The sum of the current is always less than the applied current None of these All of these The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage The sum of the current is always less than the applied current None of these All of these The current waveform for each component always has the same amplitude and phase as the applied current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 50 Ohm 100 Ohm or more 60 Ohm None of these 10 Ohm 50 Ohm 100 Ohm or more 60 Ohm None of these 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.24 W 325 kW 80 W None of these 0.625 W 0.24 W 325 kW 80 W None of these 0.625 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance The total current is greater than the sum of the currents for the resistance and capacitance None of these The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance The total current is greater than the sum of the currents for the resistance and capacitance None of these ANSWER DOWNLOAD EXAMIANS APP
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