Electronic Principles What is a free electron? An electron that has been freed from its parent atom An electron that costs nothing An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge None of these An electron that has been freed from its parent atom An electron that costs nothing An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge 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? None of these 2 3 43922 43891 None of these 2 3 43922 43891 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The current through a resistance is proportional to the value of resistance and the IR drop across it The total current in a parallel circuit is less than the value of the smallest current None of these The algebraic sum of currents in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it The total current in a parallel circuit is less than the value of the smallest current None of these The algebraic sum of currents in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current leads the voltage by 90 degree ac current is converted to dc voltage None of these ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current is converted to dc voltage None of these ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? None of these 16 V 3 V 7.5 V 8 V None of these 16 V 3 V 7.5 V 8 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the area of the plates None of these increasing the voltage applied to the plates increasing the frequency of the applied voltage decreasing the area of the plates increasing the area of the plates None of these increasing the voltage applied to the plates increasing the frequency of the applied voltage decreasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
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