Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 38.74 V 35.4 V None of these 30.4 V 37.4 V 38.74 V 35.4 V None of these 30.4 V 37.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current lags the voltage by 90 degree None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is equal to the sum of the resistance and capacitive reactance None of these The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is equal to the sum of the resistance and capacitive reactance None of these The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: chemical cell None of these solar cell thermocouple piezoelectric devices chemical cell None of these solar cell thermocouple piezoelectric devices ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: less than the value of the smallest inductor equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values None of these equal to the sum of the individual inductance values less than the value of the smallest inductor equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values None of these equal to the sum of the individual inductance values ANSWER DOWNLOAD EXAMIANS APP