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 3.75 mA 3.2 mA 0.05 mA 13 mA None of these 3.75 mA 3.2 mA 0.05 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.24 W 0.625 W 325 kW None of these 80 W 0.24 W 0.625 W 325 kW None of these 80 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of At least 10 Ohm Less than 10 Ohm None of these Less than 100 k Ohm More than 100 k Ohm At least 10 Ohm Less than 10 Ohm None of these Less than 100 k Ohm More than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the area of the plates increasing the voltage applied to the plates None of these decreasing the area of the plates increasing the frequency of the applied voltage increasing the area of the plates increasing the voltage applied to the plates None of these decreasing the area of the plates increasing the frequency of the applied voltage 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 Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract None of these 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 attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract None of these Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ohmmeter Voltmeter Ammeter None of these Wattmeter Ohmmeter Voltmeter Ammeter None of these Wattmeter ANSWER DOWNLOAD EXAMIANS APP
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