Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 64 W 6 W 122 W None of these 3 W 64 W 6 W 122 W None of these 3 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 3 43922 43891 None of these 2 3 43922 43891 None of these 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Impossible to say Neither Secondary voltage None of these Primary voltage Impossible to say Neither Secondary voltage None of these Primary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? None of these Wattmeter Ammeter Voltmeter Ohmmeter None of these Wattmeter Ammeter Voltmeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? None of these Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet None of these Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the None of these Open-load resistance Half the load resistance Internal resistance of a Morton circuit Load resistance None of these Open-load resistance Half the load resistance Internal resistance of a Morton circuit Load resistance ANSWER DOWNLOAD EXAMIANS APP