Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? None of these 3 W 122 W 64 W 6 W None of these 3 W 122 W 64 W 6 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles repel, while unlike poles attract Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles repel, while unlike poles attract Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Free electrons None of these Valence electrons Thermal energy Doping Free electrons None of these Valence electrons Thermal energy Doping 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 13 mA 3.2 mA 3.75 mA 0.05 mA None of these 13 mA 3.2 mA 3.75 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: None of these equal to the source voltage divided by total current equal to the sum of the individual capacitance values equal to the sum of the individual capacitive-reactance values less than the capacitance value of the smallest capacitor None of these equal to the source voltage divided by total current equal to the sum of the individual capacitance values equal to the sum of the individual capacitive-reactance values less than the capacitance value of the smallest capacitor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Molecule is None of these A atom that flows whenever there is an imbalance of electrical charges between two points A atom that has a shortage of electrons in its outer orbit A atom that has an excessive number of electrons in its outer orbit The smallest particle of a substance that retains the properties of that substance None of these A atom that flows whenever there is an imbalance of electrical charges between two points A atom that has a shortage of electrons in its outer orbit A atom that has an excessive number of electrons in its outer orbit The smallest particle of a substance that retains the properties of that substance ANSWER DOWNLOAD EXAMIANS APP
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