Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 200 mA 300 mA 208 mA 7.8 mA None of these 200 mA 300 mA 208 mA 7.8 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always decreases as the applied frequency increases always increases as the applied frequency increases is minimum at the resonant frequency is maximum at the resonant frequency None of these always decreases as the applied frequency increases always increases as the applied frequency increases is minimum at the resonant frequency is maximum at the resonant frequency None of these 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 an opposition to current flow in dc circuits Inductive reactance is another term for counter emf Inductive reactance is an opposition to current flow in ac circuits 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 another term for counter emf Inductive reactance is an opposition to current flow in ac circuits None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a None of these Semiconductor Covalent bond Valence orbit Crystal None of these Semiconductor Covalent bond Valence orbit Crystal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? 2 -6 None of these -3 2 -6 None of these -3 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Open-load resistance Load resistance Half the load resistance None of these Internal resistance of a Morton circuit Open-load resistance Load resistance Half the load resistance None of these Internal resistance of a Morton circuit ANSWER DOWNLOAD EXAMIANS APP
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