Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA 10.3 µA 14.8 µA 7.8 µA None of these 7.75 µA 10.3 µA 14.8 µA 7.8 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? None of these 6 Ohm 50 Ohm or more 100 Ohm 5 Ohm None of these 6 Ohm 50 Ohm or more 100 Ohm 5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good insulator a good conductor a good conductor of magnetic fields a poor conductor of electrostatic fields None of these a good insulator a good conductor a good conductor of magnetic fields a poor conductor of electrostatic fields None of these 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 None of these An electron that has been freed from its parent atom An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron An electron that costs nothing None of these An electron that has been freed from its parent atom An electron that has no electrical charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: rotor armature None of these battery commutator rotor armature None of these battery commutator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: None of these purely resistive circuit parallel RC circuit parallel RLC circuit operated above its resonant frequency parallel RL circuit None of these purely resistive circuit parallel RC circuit parallel RLC circuit operated above its resonant frequency parallel RL circuit ANSWER DOWNLOAD EXAMIANS APP
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