Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.75 mA 0.05 mA None of these 13 mA 3.2 mA 3.75 mA 0.05 mA None of these 13 mA 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has twice the amount of charge of a normal electron None of these An electron that has been freed from its parent atom An electron that has no electrical charge An electron that costs nothing An electron that has twice the amount of charge of a normal electron None of these An electron that has been freed from its parent atom An electron that has no electrical charge An electron that costs nothing ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.25 4 0.5 None of these 180 0.25 4 0.5 None of these 180 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 122 W 3 W None of these 64 W 6 W 122 W 3 W None of these 64 W 6 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Decreases Increases None of these Stays the same Can be any of above Decreases Increases None of these Stays the same Can be any of above ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? None of these Ammeter Voltmeter Wattmeter Ohmmeter None of these Ammeter Voltmeter Wattmeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
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