Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA 3.75 mA 3.2 mA None of these 13 mA 0.05 mA 3.75 mA 3.2 mA None of these 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Like magnetic poles repel; unlike poles attract None of these 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 Like magnetic poles repel; unlike poles attract None of these 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 In an intrinsic semiconductor, the number of free electrons Equals the number of holes Is greater than the number of holes Is less than the number of holes Impossible to say None of these Equals the number of holes Is greater than the number of holes Is less than the number of holes Impossible to say None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is maximum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases None of these is minimum at the resonant frequency is maximum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases None of these is minimum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor of magnetic fields a good insulator a poor conductor of electrostatic fields None of these a good conductor a good conductor of magnetic fields a good insulator a poor conductor of electrostatic fields None of these a good conductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ammeter Wattmeter Ohmmeter Voltmeter None of these Ammeter Wattmeter Ohmmeter Voltmeter None of these ANSWER DOWNLOAD EXAMIANS APP
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