Electronic Principles In a step-down transformer, which is larger? Primary voltage Secondary voltage Impossible to say Neither None of these Primary voltage Secondary voltage Impossible to say Neither None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the source voltage divided by total current equal to the sum of the individual capacitive-reactance values equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor None of these equal to the source voltage divided by total current equal to the sum of the individual capacitive-reactance values equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that costs nothing An electron that has no electrical charge None of these An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom An electron that costs nothing An electron that has no electrical charge None of these An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 100 Ohm 30 Ohm None of these 10 Ohm 20 Ohm 100 Ohm 30 Ohm None of these 10 Ohm 20 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is maximum at the resonant frequency always increases as the applied frequency increases None of these always decreases as the applied frequency increases is minimum at the resonant frequency is maximum at the resonant frequency always increases as the applied frequency increases None of these always decreases as the applied frequency increases is minimum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently 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 a steady amount of current is lowing through the coil of an electromagnet None of these Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently 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 a steady amount of current is lowing through the coil of an electromagnet None of these ANSWER DOWNLOAD EXAMIANS APP