Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a conductor an insulator a piece of copper wire a battery None of these a conductor an insulator a piece of copper wire a battery None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: None of these armature commutator loop brush None of these armature commutator loop brush ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is another term for counter emf None of these Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is another term for counter emf None of these Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is an opposition to current flow in ac circuits ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: has no effect on the capacitive reactance doubles the amount of capacitive reactance None of these multiplies the capacitive reactance by 7 cuts the capacitive reactance in half has no effect on the capacitive reactance doubles the amount of capacitive reactance None of these multiplies the capacitive reactance by 7 cuts the capacitive reactance in half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 100 A 1000 A None of these 0.1 A 0.41666666666667 100 A 1000 A None of these 0.1 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the source voltage divided by total current less than the inductance value of the smallest inductor None of these equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current less than the inductance value of the smallest inductor None of these equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values ANSWER DOWNLOAD EXAMIANS APP
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