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? 28.4 mA 24.2 mA 34.4 mA None of these 68.4 mA 28.4 mA 24.2 mA 34.4 mA None of these 68.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has Infinite internal resistance A load dependent voltage A load-dependent current None of these Zero internal resistance Infinite internal resistance A load dependent voltage A load-dependent current None of these Zero internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: one million amperes 10000A one-millionth of an ampere 1000 A None of these one million amperes 10000A one-millionth of an ampere 1000 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.2 A 0.6 A 0.4 A 0.3 A None of these 0.2 A 0.6 A 0.4 A 0.3 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as None of these Nonlinear Active Linear Bipolar None of these Nonlinear Active Linear Bipolar ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of None of these More than 100 k Ohm Less than 100 k Ohm At least 10 Ohm Less than 10 Ohm None of these More than 100 k Ohm Less than 100 k Ohm At least 10 Ohm Less than 10 Ohm ANSWER DOWNLOAD EXAMIANS APP