Electronic Principles Which one of the following is a statement of Kirchhoffs current law? 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 current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents entering and leaving a point is equal to zero 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 current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: always decreases as the applied frequency increases is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases always decreases as the applied frequency increases is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 1000 W 100 W None of these 20 W 200 W 1000 W 100 W None of these 20 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Like magnetic poles attract; unlike poles repel Current is induced in a conductor that is moving through a magnetic field None of these Current flowing through a conductor generates a magnetic field Like magnetic poles repel; unlike poles attract Like magnetic poles attract; unlike poles repel Current is induced in a conductor that is moving through a magnetic field None of these Current flowing through a conductor generates a magnetic field Like magnetic poles repel; unlike poles attract ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet 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? 3 V 7.5 V 16 V None of these 8 V 3 V 7.5 V 16 V None of these 8 V ANSWER DOWNLOAD EXAMIANS APP