Electronic Principles The merging of a free electron and a hole is called Covalent bonding Lifetime None of these Thermal energy Recombination Covalent bonding Lifetime None of these Thermal energy Recombination ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RC circuit None of these purely resistive circuit parallel RLC circuit operated above its resonant frequency parallel RL circuit parallel RC circuit None of these purely resistive circuit parallel RLC circuit operated above its resonant frequency parallel RL circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 16 V 7.5 V 15 V 8 V None of these 16 V 7.5 V 15 V 8 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? None of these 12 V 30 V 18 V 24 V None of these 12 V 30 V 18 V 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain equals the collector current divided by the base current varies enormously is contant varies slightly None of these equals the collector current divided by the base current varies enormously is contant varies slightly None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? The circular magnetic field that surrounds a conductor carrying a current None of these 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 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 None of these 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 The amount of magnetic flux that is not confined to the core material of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
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