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? 43922 None of these 43891 2 3 43922 None of these 43891 2 3 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a series circuit? The total voltage in a series circuit is always less than the value of the smallest voltage None of these The total voltage in a series circuit is equal to the average value of the individual voltages The total voltage of a series circuit is equal to the total current divided by the total resistance The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage in a series circuit is always less than the value of the smallest voltage None of these The total voltage in a series circuit is equal to the average value of the individual voltages The total voltage of a series circuit is equal to the total current divided by the total resistance The total voltage is equal to the sum of the individual voltages in a series circuit 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 24.2 mA None of these 34.4 mA 28.4 mA 68.4 mA 24.2 mA None of these 34.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: rotor None of these battery commutator armature rotor None of these battery commutator armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 7.8 mA 300 mA None of these 200 mA 208 mA 7.8 mA 300 mA None of these 200 mA 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Neither Primary voltage Impossible to say Secondary voltage None of these Neither Primary voltage Impossible to say Secondary voltage None of these ANSWER DOWNLOAD EXAMIANS APP
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