Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 10 mW 200 mW 20 mW 300 mW None of these 10 mW 200 mW 20 mW 300 mW None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always increases as the applied frequency increases always decreases as the applied frequency increases None of these is maximum at the resonant frequency is minimum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases None of these is maximum at the resonant frequency is minimum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Ammeter Wattmeter Voltmeter None of these Ohmmeter Ammeter Wattmeter Voltmeter None of these Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Wattmeter Ammeter Ohmmeter Voltmeter None of these Wattmeter Ammeter Ohmmeter Voltmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current and voltages are in phase through a resistor None of these Current leads the voltage through a resistor Current lags the voltage through a resistor All of these Current and voltages are in phase through a resistor None of these Current leads the voltage through a resistor Current lags the voltage through a resistor All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 10 Ohm 20 Ohm None of these 30 Ohm 100 Ohm 10 Ohm 20 Ohm None of these 30 Ohm 100 Ohm ANSWER DOWNLOAD EXAMIANS APP