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? 7.8 mA 208 mA None of these 300 mA 200 mA 7.8 mA 208 mA None of these 300 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Mercury-cell battery None of these Nicad battery Lead-acid battery Zinc-carbon battery Mercury-cell battery None of these Nicad battery Lead-acid battery Zinc-carbon battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a parallel circuit? The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage of a parallel circuit is the same as the voltages across each branch None of these The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage of a parallel circuit is the same as the voltages across each branch None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 325 kW 0.24 W None of these 80 W 0.625 W 325 kW 0.24 W None of these 80 W 0.625 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles 1 Microfarad is the same as: None of these 1 million picofarads 1 million farads 1000 millifarads 1 millionth of a picofarad None of these 1 million picofarads 1 million farads 1000 millifarads 1 millionth of a picofarad ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values None of these 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 inductance values equal to the sum of the individual inductive-reactance values None of these less than the inductance value of the smallest inductor equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP