Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance of a parallel circuit is equal to the total voltage None of these The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance of a parallel circuit is equal to the total voltage None of these The total resistance of a parallel circuit is always less than the value of the smallest resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 12 mA 14 mA 10 mA 11 mA None of these 12 mA 14 mA 10 mA 11 mA None of these ANSWER DOWNLOAD EXAMIANS APP
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? 2 3 43922 43891 None of these 2 3 43922 43891 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Retentivity Reluctance There is no valid comparison Permeability Permeance Retentivity Reluctance There is no valid comparison Permeability Permeance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 28.4 mA 68.4 mA 34.4 mA 24.2 mA None of these 28.4 mA 68.4 mA 34.4 mA 24.2 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Protons only Electrons, ions, and neutrons None of these Electrons, protons, and neutrons Electrons, protons, and ions Protons only Electrons, ions, and neutrons None of these Electrons, protons, and neutrons Electrons, protons, and ions ANSWER DOWNLOAD EXAMIANS APP
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