Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.8 µA 10.3 µA None of these 14.8 µA 7.75 µA 7.8 µA 10.3 µA None of these 14.8 µA 7.75 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Increases Decreases None of these 0oC Stays the same Increases Decreases None of these 0oC Stays the same ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain decreases can be any of the above increases None of these contant decreases can be any of the above increases None of these contant ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? 1 None of these 2 4 1 None of these 2 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is -1 4 1 None of these -1 4 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: commutator brush loop armature None of these commutator brush loop armature None of these ANSWER DOWNLOAD EXAMIANS APP