Electronic Principles What is the difference between a conductor and an insulator? A conductor allows current to flow much easier than an insulator does The difference between conductors and insulators depends on how they are used An insulator allows current to flow much easier than a conductor does None of these An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all A conductor allows current to flow much easier than an insulator does The difference between conductors and insulators depends on how they are used An insulator allows current to flow much easier than a conductor does None of these An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles 1 Microfarad is the same as: None of these 1 millionth of a picofarad 1 million farads 1 million picofarads 1000 millifarads None of these 1 millionth of a picofarad 1 million farads 1 million picofarads 1000 millifarads ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: reduces the level of all frequencies by a significant amount has no effect on ac signals None of these passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals reduces the level of all frequencies by a significant amount has no effect on ac signals None of these passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Current flowing through a conductor generates a magnetic field Like magnetic poles attract; unlike poles repel None of these Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field Like magnetic poles attract; unlike poles repel None of these Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 24 V 600 V 4.73 0.4 V None of these 24 V 600 V 4.73 0.4 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: None of these 1 k ohm one million ohms 100,000 ohm one-millionth of an ohm None of these 1 k ohm one million ohms 100,000 ohm one-millionth of an ohm ANSWER DOWNLOAD EXAMIANS APP