Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 20 mW 200 mW 10 mW None of these 300 mW 20 mW 200 mW 10 mW None of these 300 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.24 W None of these 80 W 325 kW 0.625 W 0.24 W None of these 80 W 325 kW 0.625 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit cuts the current through the inductors one-half has no effect on the current through the inductors doubles the amount of current through the inductors None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit cuts the current through the inductors one-half has no effect on the current through the inductors doubles the amount of current through the inductors ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the frequency of the applied voltage increasing the voltage applied to the plates None of these increasing the area of the plates decreasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates None of these increasing the area of the plates decreasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: less than the value of the smallest capacitor equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current None of these equal to the sum of the individual capacitance values less than the value of the smallest capacitor equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current None of these equal to the sum of the individual capacitance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? Magnetism that remains in the core of an electromagnet after the current through the coil is turned off None of these The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet Magnetism that remains in the core of an electromagnet after the current through the coil is turned off None of these The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
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