Electronic Principles How many protons does the nucleus of a silicon atom contain? 14 None of these 29 4 48 14 None of these 29 4 48 ANSWER DOWNLOAD EXAMIANS APP
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? 300 mA 208 mA 200 mA None of these 7.8 mA 300 mA 208 mA 200 mA None of these 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Magnetomotive force Flux density Number of lines of force Reluctance None of these Magnetomotive force Flux density Number of lines of force Reluctance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V 12 V 24 V None of these 18 V 30 V 12 V 24 V None of these 18 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: less than the value of the smallest inductor equal to the sum of the individual inductance values None of these equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values less than the value of the smallest inductor equal to the sum of the individual inductance values None of these equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 38.74 V 37.4 V None of these 35.4 V 30.4 V 38.74 V 37.4 V None of these 35.4 V 30.4 V ANSWER DOWNLOAD EXAMIANS APP
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