Electronic Principles Positive ions are atoms that have Gained an electron None of these Gained a proton Lost a proton Lost an electron Gained an electron None of these Gained a proton Lost a proton Lost an electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? 628 Ohm 100 Ohm Less than 1 Ohm None of these 444 Ohm 628 Ohm 100 Ohm Less than 1 Ohm None of these 444 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: equal to 1.41 times the peak amplitude None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 1.41 times the peak amplitude None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract Current flowing through a conductor generates a magnetic field None of these Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract Current flowing through a conductor generates a magnetic field None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: None of these a good insulator a poor conductor of electrostatic fields a good conductor of magnetic fields a good conductor None of these a good insulator a poor conductor of electrostatic fields a good conductor of magnetic fields a good conductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its rms value from 10% of the peak value to 70.7% of the peak value from 10% of the peak value to 90% of the peak value from zero to its peak value None of these from zero to its rms value from 10% of the peak value to 70.7% of the peak value from 10% of the peak value to 90% of the peak value from zero to its peak value None of these ANSWER DOWNLOAD EXAMIANS APP