Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature 0oC None of these Stays the same Increases Decreases 0oC None of these Stays the same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At cut off, the Q point is at infinity None of these lower end of the load line middle of the load line upper end of the load line infinity None of these lower end of the load line middle of the load line upper end of the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? Magnetism that remains in the core of an electromagnet after the current through the coil is turned off None of these The amount of magnetic flux that is not confined to the core material of an electromagnet The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field Magnetism that remains in the core of an electromagnet after the current through the coil is turned off None of these The amount of magnetic flux that is not confined to the core material of an electromagnet The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field 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 secondary wet-cell batteries None of these Auto batteries are primary wet-cell batteries Auto batteries are secondary dry-cell batteries Auto batteries are primary dry-cell batteries Auto batteries are secondary wet-cell batteries None of these Auto batteries are primary wet-cell batteries Auto batteries are secondary dry-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: solar cell thermocouple chemical cell None of these electric device solar cell thermocouple chemical cell None of these electric device 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 3.2 mA 13 mA 3.75 mA 0.05 mA None of these 3.2 mA 13 mA 3.75 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP