Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = I2R I = P/E P = IE None of these P = E2/R P = I2R I = P/E P = IE None of these P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a natural magnet a paramagnetic alloy None of these an artificial magnet a temporary magnet a natural magnet a paramagnetic alloy None of these an artificial magnet a temporary magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? None of these 7.8 µA 10.3 µA 7.75 µA 14.8 µA None of these 7.8 µA 10.3 µA 7.75 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: None of these from 10% of the peak value to 90% of the peak value from zero to its rms value from 10% of the peak value to 70.7% of the peak value from zero to its peak value None of these from 10% of the peak value to 90% of the peak value from zero to its rms value from 10% of the peak value to 70.7% of the peak value from zero to its peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is None of these Trie force that causes electrons to flow The number of free electrons in an atom The flow of charged particles through a material The smallest electrically charged particle None of these Trie force that causes electrons to flow The number of free electrons in an atom The flow of charged particles through a material The smallest electrically charged particle ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, protons, and neutrons Electrons, protons, and ions None of these Electrons, ions, and neutrons Protons only Electrons, protons, and neutrons Electrons, protons, and ions None of these Electrons, ions, and neutrons Protons only ANSWER DOWNLOAD EXAMIANS APP