Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Voltmeter Ohmmeter None of these Wattmeter Ammeter Voltmeter Ohmmeter None of these Wattmeter Ammeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? None of these Like magnetic poles repel; unlike poles attract Like magnetic poles attract; 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; unlike poles attract Like magnetic poles attract; 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 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 14.8 µA 10.3 µA None of these 7.75 µA 7.8 µA 14.8 µA 10.3 µA None of these 7.75 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: has no effect on the inductance reduces the value of inductance by one-half multiplies the value of inductance by four None of these multiplies the value of inductance by two has no effect on the inductance reduces the value of inductance by one-half multiplies the value of inductance by four None of these multiplies the value of inductance by two ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a Valence orbit Covalent bond Crystal Semiconductor None of these Valence orbit Covalent bond Crystal Semiconductor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two coils separated by a dielectric None of these two conductors separated by a dielectric two coils separated by a conductor two dielectrics separated by a conductor two coils separated by a dielectric None of these two conductors separated by a dielectric two coils separated by a conductor two dielectrics separated by a conductor ANSWER DOWNLOAD EXAMIANS APP
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