Electronic Principles What is a free electron? None of these An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom An electron that costs nothing None of these An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom An electron that costs nothing 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 None of these 30 Ohm 100 Ohm 20 Ohm 10 Ohm None of these 30 Ohm 100 Ohm 20 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain can be any of the above increases None of these contant decreases can be any of the above increases None of these contant decreases 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 4 0.5 None of these 180 0.25 4 0.5 None of these 180 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 None of these 38.74 V 30.4 V 37.4 V 35.4 V None of these 38.74 V 30.4 V 37.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 170 V 100 V 120 V None of these 180 V 170 V 100 V 120 V None of these 180 V ANSWER DOWNLOAD EXAMIANS APP