Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 24 V 4.73 None of these 0.4 V 600 V 24 V 4.73 None of these 0.4 V 600 V 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 35.4 V 30.4 V None of these 38.74 V 37.4 V 35.4 V 30.4 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals 25o C 0o C -273o C None of these -276o C 25o C 0o C -273o C None of these -276o C ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of None of these Less than 100 k Ohm Less than 10 Ohm More than 100 k Ohm At least 10 Ohm None of these Less than 100 k Ohm Less than 10 Ohm More than 100 k Ohm At least 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? The sum of the current is always less than the applied current All of these None of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage 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 All of these None of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage The current waveform for each component always has the same amplitude and phase as the applied current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Thermal energy Valence electrons Doping None of these Free electrons Thermal energy Valence electrons Doping None of these Free electrons ANSWER DOWNLOAD EXAMIANS APP