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? 24.2 mA 28.4 mA 68.4 mA None of these 34.4 mA 24.2 mA 28.4 mA 68.4 mA None of these 34.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more electrons than protons None of these An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons An atom that contains more electrons than protons None of these An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: None of these multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two has no effect on the inductance None of these multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two has no effect on the inductance 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 200 k Ohm or less 200 k Ohm or more 20 km or less 20 k Ohm or more None of these 200 k Ohm or less 200 k Ohm or more 20 km or less 20 k Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 40 V 0 V 36 V None of these 60 V 40 V 0 V 36 V None of these 60 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? None of these 10.17 V 20 V 0.17 V 18.8 V None of these 10.17 V 20 V 0.17 V 18.8 V ANSWER DOWNLOAD EXAMIANS APP
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