Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Increases Stays the same Decreases 0oC None of these Increases Stays the same Decreases 0oC None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeance There is no valid comparison Reluctance Retentivity Permeability Permeance There is no valid comparison Reluctance Retentivity Permeability 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? None of these 0.05 mA 3.2 mA 13 mA 3.75 mA None of these 0.05 mA 3.2 mA 13 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common auto batteries? Auto batteries are primary dry-cell batteries Auto batteries are primary wet-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are secondary dry-cell batteries None of these Auto batteries are primary dry-cell batteries Auto batteries are primary wet-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are secondary dry-cell batteries None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: None of these from positive to negative from right to left from neutral to positive from negative to positive None of these from positive to negative from right to left from neutral to positive from negative to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many holes No holes None of these many free electrons a few free electrons and holes many holes No holes None of these many free electrons a few free electrons and holes ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS