Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 90% of the peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value from zero to its peak value None of these from 10% of the peak value to 90% of the peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value from zero to its peak value None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? increases any of the above decreases None of these stays the same increases any of the above decreases None of these stays the same ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? None of these 692.2 Ohm 844.5 Ohm 1234 Ohm 3890 Ohm None of these 692.2 Ohm 844.5 Ohm 1234 Ohm 3890 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: None of these lightning generators batteries oscillators None of these lightning generators batteries oscillators 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 None of these The opposition to a build-up of magnetic fields The force that maintains lines of force The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force None of these The opposition to a build-up of magnetic fields The force that maintains lines of force The concentration of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? A conductor allows current to flow much easier than an insulator does None of these The difference between conductors and insulators depends on how they are used An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all An insulator allows current to flow much easier than a conductor does A conductor allows current to flow much easier than an insulator does None of these The difference between conductors and insulators depends on how they are used An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all An insulator allows current to flow much easier than a conductor does ANSWER DOWNLOAD EXAMIANS APP
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