Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? 180 degree 0 degree 26.6 degree None of these 90 degree 180 degree 0 degree 26.6 degree None of these 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is another term for counter emf None of these Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is another term for counter emf None of these Inductive reactance is a force that tends to overcome the effects of counter emf ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in one direction at a steady level The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in one direction at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? An insulator allows current to flow much easier than a conductor does A conductor allows current to flow much easier than an insulator does The difference between conductors and insulators depends on how they are used None of these An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all An insulator allows current to flow much easier than a conductor does A conductor allows current to flow much easier than an insulator does The difference between conductors and insulators depends on how they are used None of these An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all 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 most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated 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 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 Hysteresis is most apparent when the core material is saturated None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called None of these Covalent bonding Lifetime Recombination Thermal energy None of these Covalent bonding Lifetime Recombination Thermal energy ANSWER DOWNLOAD EXAMIANS APP
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