Electronic Principles Positive ions are atoms that have Gained an electron Lost a proton Lost an electron None of these Gained a proton Gained an electron Lost a proton Lost an electron None of these Gained a proton ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? 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 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 ANSWER DOWNLOAD EXAMIANS APP
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 3 W None of these 64 W 6 W 122 W 3 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? None of these The concentration of lines of magnetic force The force that maintains lines of force The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields None of these The concentration of lines of magnetic force The force that maintains lines of force The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: dissipating 1 W of power causing an ac phase shift greater than 90 degree changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these storing 1 V for 1 second dissipating 1 W of power causing an ac phase shift greater than 90 degree changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these storing 1 V for 1 second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 99.3 Ohm None of these 250 Ohm 70.7Ohm 60 Ohm 99.3 Ohm None of these 250 Ohm 70.7Ohm 60 Ohm ANSWER DOWNLOAD EXAMIANS APP