Electronic Principles Current is The flow of charged particles through a material None of these The number of free electrons in an atom An imbalance of electrical charges The force that causes electrons to flow The flow of charged particles through a material None of these The number of free electrons in an atom An imbalance of electrical charges The force that causes electrons to flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 410 Ohm 400 Ohm None of these 550 Ohm 310 Ohm 410 Ohm 400 Ohm None of these 550 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals -276o C 0o C 25o C None of these -273o C -276o C 0o C 25o C None of these -273o C ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: None of these two conductors separated by a dielectric two coils separated by a dielectric two dielectrics separated by a conductor two coils separated by a conductor None of these two conductors separated by a dielectric two coils separated by a dielectric two dielectrics separated by a conductor two coils separated by a conductor 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? None of these 0.4 A 0.6 A 0.2 A 0.3 A None of these 0.4 A 0.6 A 0.2 A 0.3 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold 220 Ohm, 10% 22,000 Ohm, 5% 220 Ohm, 5% None of these 22, 000 Ohm, 10% 220 Ohm, 10% 22,000 Ohm, 5% 220 Ohm, 5% None of these 22, 000 Ohm, 10% ANSWER DOWNLOAD EXAMIANS APP