Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 85 None of these 9 81 6 85 None of these 9 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the supply current collector current base current emitter current None of these supply current collector current base current emitter current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The concentration of lines of magnetic force The opposition to a build-up of magnetic fields None of these 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 The opposition to a build-up of magnetic fields None of these The rate of change of the number of lines of magnetic force The force that maintains lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? None of these R = E2/P P = PR I = P/E P = E2/R None of these R = E2/P P = PR I = P/E P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Open-load resistance Half the load resistance None of these Load resistance Internal resistance of a Morton circuit Open-load resistance Half the load resistance None of these Load resistance Internal resistance of a Morton circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called Recombination Thermal energy Lifetime None of these Covalent bonding Recombination Thermal energy Lifetime None of these Covalent bonding ANSWER DOWNLOAD EXAMIANS APP
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