Electronic Principles Most AC power is obtained from: lightning batteries None of these generators oscillators lightning batteries None of these generators oscillators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Rectify line voltage Emit light Amplify weak signals None of these Regulate voltage Rectify line voltage Emit light Amplify weak signals None of these Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Who invented the first junction transistor? None of these Gomes Fisher Smith Shockley None of these Gomes Fisher Smith Shockley ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell nicad cell piezoelectric device None of these photodiode solar cell nicad cell piezoelectric device None of these photodiode ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force The force that maintains lines of force The concentration of lines of magnetic force None of these The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force The force that maintains lines of force The concentration of lines of magnetic force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a Crystal None of these Semiconductor Covalent bond Valence orbit Crystal None of these Semiconductor Covalent bond Valence orbit ANSWER DOWNLOAD EXAMIANS APP
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