Electronic Principles In a step-down transformer, which is larger? Secondary voltage Primary voltage Impossible to say None of these Neither Secondary voltage Primary voltage Impossible to say None of these Neither ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always increases as the applied frequency increases is maximum at the resonant frequency None of these always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always increases as the applied frequency increases is maximum at the resonant frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 410 Ohm 400 Ohm 550 Ohm 310 Ohm None of these 410 Ohm 400 Ohm 550 Ohm 310 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Reluctance Permeability Permeance There is no valid comparison Retentivity Reluctance Permeability Permeance There is no valid comparison Retentivity ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the 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 Open-load resistance Load resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.6 A 0.2 A 0.3 A 0.4 A None of these 0.6 A 0.2 A 0.3 A 0.4 A None of these ANSWER DOWNLOAD EXAMIANS APP
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