Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 4.73 0.4 V None of these 600 V 24 V 4.73 0.4 V None of these 600 V 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is The smallest electrically charged particle The flow of charged particles through a material The number of free electrons in an atom Trie force that causes electrons to flow None of these The smallest electrically charged particle The flow of charged particles through a material The number of free electrons in an atom Trie force that causes electrons to flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from positive to negative from neutral to positive None of these from negative to positive from left to right from positive to negative from neutral to positive None of these from negative to positive from left to right ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? 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 of a parallel circuit is equal to the total voltage None of these The total resistance is equal to the sum of the individual resistances in a parallel circuit. 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 of a parallel circuit is equal to the total voltage None of these The total resistance is equal to the sum of the individual resistances in a parallel circuit. ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: has no effect on the current through the inductors cuts the current through the inductors one-half None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit doubles the amount of current through the inductors has no effect on the current through the inductors cuts the current through the inductors one-half None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit doubles the amount of current through the inductors ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: decreasing the area of the plates increasing the voltage applied to the plates None of these increasing the frequency of the applied voltage increasing the area of the plates decreasing the area of the plates increasing the voltage applied to the plates None of these increasing the frequency of the applied voltage increasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP