Electronic Principles The equivalent of 1 micro A is: one-millionth of an ampere None of these one million amperes 10000A 1000 A one-millionth of an ampere None of these one million amperes 10000A 1000 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain varies enormously None of these equals the collector current divided by the base current varies slightly is contant varies enormously None of these equals the collector current divided by the base current varies slightly is contant ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The rate of change of the number of lines of magnetic force The force that maintains lines of force None of these The opposition to a build-up of magnetic fields The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force The force that maintains lines of force None of these The opposition to a build-up of magnetic fields The concentration of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? All of these None of these A diamagnetic material A paramagnetic material A ferromagnetic material All of these None of these A diamagnetic material A paramagnetic material A ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = IE P = E2/R I = P/E P = I2R None of these P = IE P = E2/R I = P/E P = I2R None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Like magnetic poles attract, while unlike poles repel Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field None of these Like magnetic poles repel, while unlike poles attract Like magnetic poles attract, while unlike poles repel Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field None of these Like magnetic poles repel, while unlike poles attract ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS