Electronic Principles A device that converts thermal energy to electrical energy is called a: piezoelectric devices None of these chemical cell thermocouple solar cell piezoelectric devices None of these chemical cell thermocouple solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 30.4 V None of these 35.4 V 37.4 V 38.74 V 30.4 V None of these 35.4 V 37.4 V 38.74 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Rectify line voltage Amplify weak signals Emit light None of these Regulate voltage Rectify line voltage Amplify weak signals Emit light None of these Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many types of flow are there in a semiconductor? 1 2 None of these 3 1 2 None of these 3 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 13 mA 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 7.5 V None of these 16 V 8 V 15 V 7.5 V None of these 16 V 8 V 15 V ANSWER DOWNLOAD EXAMIANS APP
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