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? 200 mA None of these 7.8 mA 300 mA 208 mA 200 mA None of these 7.8 mA 300 mA 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Internal resistance of a Morton circuit Half the load resistance Open-load resistance None of these Load resistance Internal resistance of a Morton circuit Half the load resistance Open-load resistance None of these Load resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? A ferromagnetic material None of these A diamagnetic material All of these A paramagnetic material A ferromagnetic material None of these A diamagnetic material All of these A paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a parallel RLC circuit? The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage All of these None of these The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called Recombination Thermal energy Lifetime Covalent bonding None of these Recombination Thermal energy Lifetime Covalent bonding None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: series RL circuit series RC circuit series RLC circuit operated above its resonant frequency None of these purely resistive circuit series RL circuit series RC circuit series RLC circuit operated above its resonant frequency None of these purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP