Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 10.3 µA 7.75 µA None of these 14.8 µA 7.8 µA 10.3 µA 7.75 µA None of these 14.8 µA 7.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 20 V 0.7 V 0.8 V None of these 20 V 0.7 V 0.8 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 2 None of these 43922 3 43891 2 None of these 43922 3 43891 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 3.2 mA None of these 0.05 mA 3.75 mA 13 mA 3.2 mA None of these 0.05 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called Covalent bonding Lifetime None of these Recombination Thermal energy Covalent bonding Lifetime None of these Recombination Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 29 4 1 None of these 18 29 4 1 None of these 18 ANSWER DOWNLOAD EXAMIANS APP