Electronic Principles Current is The flow of charged particles through a material The number of free electrons in an atom An imbalance of electrical charges None of these The force that causes electrons to flow The flow of charged particles through a material The number of free electrons in an atom An imbalance of electrical charges None of these The force that causes electrons to flow 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 None of these 3.75 mA 13 mA 3.2 mA 0.05 mA None of these 3.75 mA 13 mA 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has twice the amount of charge of a normal electron An electron that costs nothing An electron that has no electrical charge An electron that has been freed from its parent atom None of these An electron that has twice the amount of charge of a normal electron An electron that costs nothing An electron that has no electrical charge An electron that has been freed from its parent atom None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 24 V 600 V 4.73 None of these 0.4 V 24 V 600 V 4.73 None of these 0.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: None of these parallel RL circuit parallel RC circuit purely resistive circuit parallel RLC circuit operated above its resonant frequency None of these parallel RL circuit parallel RC circuit purely resistive circuit parallel RLC circuit operated above its resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 29 18 None of these 4 1 29 18 None of these 4 1 ANSWER DOWNLOAD EXAMIANS APP