Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? None of these 9 6 85 81 None of these 9 6 85 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from neutral to positive None of these from right to left from positive to negative from negative to positive from neutral to positive None of these from right to left from positive to negative from negative to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? None of these 20 km or less 200 k Ohm or less 200 k Ohm or more 20 k Ohm or more None of these 20 km or less 200 k Ohm or less 200 k Ohm or more 20 k Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 0.083333333333333 2 mA None of these 0.5 mA 200 A 0.083333333333333 2 mA None of these 0.5 mA 200 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? I = ER None of these E = PR E = I2R I = E/R I = ER None of these E = PR E = I2R I = E/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value the amplitude at 90% of the maximum value None of these the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value the amplitude at 90% of the maximum value None of these ANSWER DOWNLOAD EXAMIANS APP