Electronic Principles What is one important thing transistors do? Amplify weak signals Emit light Regulate voltage Rectify line voltage None of these Amplify weak signals Emit light Regulate voltage Rectify line voltage None of these 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: None of these commutator battery armature rotor None of these commutator battery armature rotor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: doubles the amount of current through the inductors None of these cuts the current through the inductors one-half has no effect on the current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit doubles the amount of current through the inductors None of these cuts the current through the inductors one-half has no effect on the current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the 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? 8 V 7.5 V 15 V None of these 16 V 8 V 7.5 V 15 V None of these 16 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is maximum at the resonant frequency None of these is minimum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases is maximum at the resonant frequency None of these is minimum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value None of these the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value None of these the amplitude at 90% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
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