Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 20 A 50 A None of these 0.20833333333333 20 A 50 A None of these 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
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? 0 degree None of these 90 degree 26.6 degree 180 degree 0 degree None of these 90 degree 26.6 degree 180 degree 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 equal to the sum of the individual inductance values equal to the source voltage divided by total current None of these less than the inductance value of the smallest inductor equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values equal to the source voltage divided by total current None of these less than the inductance value of the smallest inductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases always increases as the applied frequency increases None of these is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases always increases as the applied frequency increases None of these is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: None of these from negative to positive from right to left from neutral to positive from positive to negative None of these from negative to positive from right to left from neutral to positive from positive to negative ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? Less than 1 Ohm None of these 628 Ohm 100 Ohm 444 Ohm Less than 1 Ohm None of these 628 Ohm 100 Ohm 444 Ohm ANSWER DOWNLOAD EXAMIANS APP
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