Electronic Principles What is the barrier potential of a silicon diode at room temperature? None of these 0.7V 1 V 0.3V 2 m V per degree Celsius None of these 0.7V 1 V 0.3V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? None of these The impedance is less than the sum of the resistance and capacitive reactance The impedance is equal to 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 None of these The impedance is less than the sum of the resistance and capacitive reactance The impedance is equal to 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 The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.25 None of these 4 180 0.5 0.25 None of these 4 180 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = E2/R P = IE P = I2R None of these I = P/E P = E2/R P = IE P = I2R None of these I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 35.4 V 37.4 V 30.4 V 38.74 V None of these 35.4 V 37.4 V 30.4 V 38.74 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one-millionth of an ohm 1 k ohm one million ohms 100,000 ohm None of these one-millionth of an ohm 1 k ohm one million ohms 100,000 ohm None of these ANSWER DOWNLOAD EXAMIANS APP