Electronic Principles When the collector current increases, what does the current gain do? decreases increases any of the above None of these stays the same decreases increases any of the above None of these stays the same ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons Doping None of these Free electrons Thermal energy Valence electrons Doping None of these Free electrons Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Amplify weak signals Rectify line voltage Emit light Regulate voltage None of these Amplify weak signals Rectify line voltage Emit light Regulate voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Nicad battery None of these Lead-acid battery Zinc-carbon battery Mercury-cell battery Nicad battery None of these Lead-acid battery Zinc-carbon battery Mercury-cell battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Like magnetic poles repel, while unlike poles attract None of these Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field Like magnetic poles repel, while unlike poles attract None of these Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 1.75 mA 1750 mA None of these 175 mA 17.5 mA 1.75 mA 1750 mA None of these 175 mA 17.5 mA ANSWER DOWNLOAD EXAMIANS APP