Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 10.3 µA None of these 14.8 µA 7.75 µA 7.8 µA 10.3 µA None of these 14.8 µA 7.75 µA 7.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one million ohms None of these 100,000 ohm one-millionth of an ohm 1 k ohm one million ohms None of these 100,000 ohm one-millionth of an ohm 1 k ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? None of these Number of lines of force Flux density Reluctance Magnetomotive force None of these Number of lines of force Flux density Reluctance Magnetomotive force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Lost an electron Gained an electron Lost a proton None of these Gained a proton Lost an electron Gained an electron Lost a proton None of these Gained a proton 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? 0.4 A None of these 0.2 A 0.3 A 0.6 A 0.4 A None of these 0.2 A 0.3 A 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.02 A None of these 0.41666666666667 0.955 A 2.02 A 0.02 A None of these 0.41666666666667 0.955 A 2.02 A ANSWER DOWNLOAD EXAMIANS APP