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? None of these 24.2 mA 34.4 mA 68.4 mA 28.4 mA None of these 24.2 mA 34.4 mA 68.4 mA 28.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Chemical energy Solar energy Electronical energy Mechanical energy None of these Chemical energy Solar energy Electronical energy Mechanical energy None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 100 A None of these 0.41666666666667 1000 A 0.1 A 100 A None of these 0.41666666666667 1000 A 0.1 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: None of these equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values equal to the source voltage divided by total current less than the value of the smallest inductor None of these equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values equal to the source voltage divided by total current less than the value of the smallest inductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has None of these A small internal resistance A large internal resistance Infinite internal resistance Zero internal resistance None of these A small internal resistance A large internal resistance Infinite internal resistance Zero internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing dissipating 1 W of power storing 1 V for 1 second causing an ac phase shift greater than 90 degree None of these changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing dissipating 1 W of power storing 1 V for 1 second causing an ac phase shift greater than 90 degree None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS