Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature None of these Stays the same Increases 0oC Decreases None of these Stays the same Increases 0oC Decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: solar cell None of these thermocouple photodiode photo transistor solar cell None of these thermocouple photodiode photo transistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Crystals Atoms None of these Positive charges Negative charges Crystals Atoms None of these Positive charges Negative charges 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? 0.05 mA 13 mA None of these 3.2 mA 3.75 mA 0.05 mA 13 mA None of these 3.2 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? thermocouple None of these generator solar cell chemical cell thermocouple None of these generator solar cell chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 651 V 700 V 707 V None of these 208 V 651 V 700 V 707 V None of these ANSWER DOWNLOAD EXAMIANS APP
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