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 the amount of magnetic flux that is not confined to the core material of an electromagnet None of these 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 most apparent when a steady amount of current is lowing through the coil of an electromagnet 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 the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.041666666666667 0.93 W 0.93 V None of these 9.3 W 0.041666666666667 0.93 W 0.93 V None of these 9.3 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 55.86 A None of these 18.2 mA 55 A 16.3 mA 55.86 A None of these 18.2 mA 55 A 16.3 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Gained a proton 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? None of these Lead-acid battery Mercury-cell battery Nicad battery Zinc-carbon battery None of these Lead-acid battery Mercury-cell battery Nicad battery Zinc-carbon battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.8 µA None of these 7.75 µA 14.8 µA 10.3 µA 7.8 µA None of these 7.75 µA 14.8 µA 10.3 µA ANSWER DOWNLOAD EXAMIANS APP
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