Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 20 mW 10 mW None of these 200 mW 300 mW 20 mW 10 mW None of these 200 mW 300 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 60 Ohm None of these 250 Ohm 70.7Ohm 99.3 Ohm 60 Ohm None of these 250 Ohm 70.7Ohm 99.3 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the voltage applied to the plates increasing the area of the plates None of these increasing the frequency of the applied voltage decreasing the area of the plates increasing the voltage applied to the plates increasing the area of the plates None of these increasing the frequency of the applied voltage decreasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RC circuit? The total current. is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents for the resistance and capacitance None of these The total current. is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents for the resistance and capacitance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many holes None of these many free electrons No holes a few free electrons and holes many holes None of these many free electrons No holes a few free electrons and holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always decreases as the applied frequency increases always increases as the applied frequency increases is maximum at the resonant frequency None of these is minimum at the resonant frequency always decreases as the applied frequency increases always increases as the applied frequency increases is maximum at the resonant frequency None of these is minimum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
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