Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 68.4 mA 34.4 mA 24.2 mA None of these 28.4 mA 68.4 mA 34.4 mA 24.2 mA None of these 28.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: multiplies the value of inductance by two reduces the value of inductance by one-half None of these reduces the value of inductance by one-fourth multiplies the value of inductance by four multiplies the value of inductance by two reduces the value of inductance by one-half None of these reduces the value of inductance by one-fourth multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 700 V 707 V None of these 208 V 651 V 700 V 707 V None of these 208 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: solar cells voltage generators None of these piezoeletric cells chemical cells solar cells voltage generators None of these piezoeletric cells chemical cells 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? 100 Ohm None of these 10 Ohm 20 Ohm 30 Ohm 100 Ohm None of these 10 Ohm 20 Ohm 30 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has twice the amount of charge of a normal electron An electron that costs nothing None of these An electron that has been freed from its parent atom An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron An electron that costs nothing None of these An electron that has been freed from its parent atom An electron that has no electrical charge ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS