Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: No more than 10% less than the primary current One-half the primary current Twice the primary current None of these Same as the primary current No more than 10% less than the primary current One-half the primary current Twice the primary current None of these Same as the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of At least 10 Ohm less than 10 Ohm More than 100 k Ohm Less than 100 k Ohm None of these At least 10 Ohm less than 10 Ohm More than 100 k Ohm Less than 100 k Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current is converted to dc voltage None of these ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage None of these ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: None of these that would be attracted to the earth's south magnetic pole that would be attracted to the earths north magnetic pole that has its molecules arranged in a random pattern that would be repelled by the north pole of another magnet None of these that would be attracted to the earth's south magnetic pole that would be attracted to the earths north magnetic pole that has its molecules arranged in a random pattern that would be repelled by the north pole of another magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Half the load resistance None of these Load resistance Internal resistance of a Morton circuit Open-load resistance Half the load resistance None of these Load resistance Internal resistance of a Morton circuit Open-load resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS