Electronic Principles What form of energy is used for creating static electricity? Light energy None of these Mechanical energy Chemical energy Solar energy Light energy None of these Mechanical energy Chemical energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Zinc-carbon battery Mercury-cell battery None of these Lead-acid battery Nicad battery Zinc-carbon battery Mercury-cell battery None of these Lead-acid battery Nicad battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = I2R I = P/E None of these P = E2/R P = IE P = I2R I = P/E None of these P = E2/R P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? 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 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 Hysteresis is most apparent when the core material is saturated 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 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 Hysteresis is most apparent when the core material is saturated ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? None of these 0.05 mA 3.2 mA 3.75 mA 13 mA None of these 0.05 mA 3.2 mA 3.75 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 48 14 29 None of these 4 48 14 29 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
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