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? 4.73 0.4 V 24 V 600 V None of these 4.73 0.4 V 24 V 600 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 1590 Ohm 690 Ohm 312 Ohm None of these less than 1 Ohm 1590 Ohm 690 Ohm 312 Ohm None of these less than 1 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Equals the number of holes Impossible to say Is less than the number of holes Is greater than the number of holes None of these Equals the number of holes Impossible to say Is less than the number of holes Is greater than the number of holes None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree None of these ac current is converted to dc voltage ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree None of these ac current is converted to dc voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: None of these doubles the amount of current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit has no effect on the current through the inductors cuts the current through the inductors one-half None of these doubles the amount of current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit has no effect on the current through the inductors cuts the current through the inductors one-half ANSWER DOWNLOAD EXAMIANS APP
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