Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 10.3 µA 14.8 µA None of these 7.75 µA 7.8 µA 10.3 µA 14.8 µA None of these 7.75 µA 7.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? 2 None of these -6 -3 2 None of these -6 -3 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a battery a piece of copper wire None of these an insulator a conductor a battery a piece of copper wire None of these an insulator a conductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Regulate voltage None of these Amplify weak signals Emit light Rectify line voltage Regulate voltage None of these Amplify weak signals Emit light Rectify line voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? increases decreases any of the above None of these stays the same increases decreases any of the above None of these stays the same ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the collector current emitter current base current None of these supply current collector current emitter current base current None of these supply current ANSWER DOWNLOAD EXAMIANS APP
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