Electronic Principles Current is The number of free electrons in an atom An imbalance of electrical charges The force that causes electrons to flow None of these The flow of charged particles through a material The number of free electrons in an atom An imbalance of electrical charges The force that causes electrons to flow None of these The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is None of these 4 -1 1 None of these 4 -1 1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 13 mA None of these 0.05 mA 3.2 mA 3.75 mA 13 mA None of these 0.05 mA 3.2 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.625 W 80 W 0.24 W 325 kW None of these 0.625 W 80 W 0.24 W 325 kW None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor None of these a good insulator a good conductor of magnetic fields a poor conductor of electrostatic fields a good conductor None of these a good insulator a good conductor of magnetic fields a poor conductor of electrostatic fields 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? 0.3 A 0.4 A None of these 0.6 A 0.2 A 0.3 A 0.4 A None of these 0.6 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS