Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Ohmmeter None of these Ammeter Wattmeter Voltmeter Ohmmeter None of these Ammeter Wattmeter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: reduces the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals None of these passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals reduces the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals None of these passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: decreasing the area of the plates increasing the area of the plates increasing the voltage applied to the plates increasing the frequency of the applied voltage None of these decreasing the area of the plates increasing the area of the plates increasing the voltage applied to the plates increasing the frequency of the applied 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: armature battery commutator rotor None of these armature battery commutator rotor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? 1 2 None of these 4 1 2 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: All of these None of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc All of these None of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc ANSWER DOWNLOAD EXAMIANS APP
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