Electronic Principles The rotating coil of wire in an electric motor is called the: armature brush commutator loop None of these armature brush commutator loop None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: None of these peak the current and round off the voltage waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms None of these peak the current and round off the voltage waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The force that maintains lines of force None of these The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force None of these The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, protons, and ions Protons only Electrons, protons, and neutrons Electrons, ions, and neutrons None of these Electrons, protons, and ions Protons only Electrons, protons, and neutrons Electrons, ions, and neutrons None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Ions Doping Barrier potential Recombination None of these Ions Doping Barrier potential Recombination None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 208 mA 300 mA 7.8 mA None of these 200 mA 208 mA 300 mA 7.8 mA None of these 200 mA ANSWER DOWNLOAD EXAMIANS APP
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