Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 30 Ohm 120 Ohm None of these 754 Ohm 60 Ohm 30 Ohm 120 Ohm None of these 754 Ohm 60 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: loop commutator None of these brush armature loop commutator None of these brush armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 250 µA None of these 300 µA 350 µA 0.25 µA 250 µA None of these 300 µA 350 µA 0.25 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature None of these Stays the same 0oC Decreases Increases None of these Stays the same 0oC Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? 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 dc circuits Inductive reactance is an opposition to current flow in ac 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 dc circuits Inductive reactance is an opposition to current flow in ac circuits ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: None of these two coils separated by a conductor two dielectrics separated by a conductor two conductors separated by a dielectric two coils separated by a dielectric None of these two coils separated by a conductor two dielectrics separated by a conductor two conductors separated by a dielectric two coils separated by a dielectric ANSWER DOWNLOAD EXAMIANS APP
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