Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 18 V None of these 12 V 24 V 30 V 18 V None of these 12 V 24 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: equal to the sun of the individual capacitive-reactance values less than the value of the smallest capacitor equal to the sum of the individual capacitance values None of these equal to the source voltage divided by total current equal to the sun of the individual capacitive-reactance values less than the value of the smallest capacitor equal to the sum of the individual capacitance values None of these equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? None of these P = PR I = P/E P = E2/R R = E2/P None of these P = PR I = P/E P = E2/R R = E2/P ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? None of these 1.5 0.575 0.707 10.738 None of these 1.5 0.575 0.707 10.738 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common, non-rechargeable flashlight batteries? None of these Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are secondary wet-cell batteries None of these Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are secondary wet-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? Chemical energy Solar energy Light energy None of these Mechanical energy Chemical energy Solar energy Light energy None of these Mechanical energy ANSWER DOWNLOAD EXAMIANS APP