Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 3 43922 43891 2 None of these 3 43922 43891 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the frequency of the applied voltage None of these decreasing the area of the plates increasing the voltage applied to the plates increasing the area of the plates increasing the frequency of the applied voltage None of these decreasing the area of the plates increasing the voltage applied to the plates increasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: One-half the primary current Same as the primary current No more than 10% less than the primary current Twice the primary current None of these One-half the primary current Same as the primary current No more than 10% less than the primary current Twice the primary current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, protons, and neutrons Electrons, ions, and neutrons Electrons, protons, and ions Protons only None of these Electrons, protons, and neutrons Electrons, ions, and neutrons Electrons, protons, and ions Protons only None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is None of these 0.5 mA 0.083333333333333 200 A 2 mA None of these 0.5 mA 0.083333333333333 200 A 2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Flux density None of these Magnetomotive force Reluctance Number of lines of force Flux density None of these Magnetomotive force Reluctance Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
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