Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? None of these 1234 Ohm 844.5 Ohm 3890 Ohm 692.2 Ohm None of these 1234 Ohm 844.5 Ohm 3890 Ohm 692.2 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Impossible to say Neither Primary voltage Secondary voltage None of these Impossible to say Neither Primary voltage Secondary voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: generators oscillators batteries lightning None of these generators oscillators batteries lightning None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the sum of the individual inductive-reactance values None of these equal to the sum of the individual inductance values less than the inductance value of the smallest inductor equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values None of these equal to the sum of the individual inductance values less than the inductance value of the smallest inductor equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 30.4 V None of these 35.4 V 37.4 V 38.74 V 30.4 V None of these 35.4 V 37.4 V 38.74 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? 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 None of these 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 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 None of these 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 ANSWER DOWNLOAD EXAMIANS APP
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