Electronic Principles A device that converts chemical energy to electrical energy is called a: chemical cell None of these solar cell electric device thermocouple chemical cell None of these solar cell electric device thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 50 Ohm or more 100 Ohm 6 Ohm None of these 5 Ohm 50 Ohm or more 100 Ohm 6 Ohm None of these 5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: is maximum at the resonant frequency always decreases as the applied frequency increases always increases as the applied frequency increases None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance is maximum at the resonant frequency always decreases as the applied frequency increases always increases as the applied frequency increases None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Resistances provide the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow None of these The ac voltage lags the current by 90 degree Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow None of these The ac voltage lags the current by 90 degree Inductive reactance provides the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RC circuit? The total voltage leads the total current by less than 90 degree The total voltage is less than the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The total voltage leads the total current by less than 90 degree The total voltage is less than the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 10.17 V 0.17 V 20 V None of these 18.8 V 10.17 V 0.17 V 20 V None of these 18.8 V ANSWER DOWNLOAD EXAMIANS APP