Electronic Principles Waveforms are graphs that show: None of these amplitude on the vertical axis and frequency on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis None of these amplitude on the vertical axis and frequency on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 100 A None of these 0.1 A 1000 A 0.41666666666667 100 A None of these 0.1 A 1000 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The number of free electrons in an atom None of these The flow of charged particles through a material The force that causes electrons to flow An imbalance of electrical charges The number of free electrons in an atom None of these The flow of charged particles through a material The force that causes electrons to flow An imbalance of electrical charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The force that maintains lines of force The concentration of lines of magnetic force None of these 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 The concentration of lines of magnetic force None of these 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 The direction of electron current flow is: from positive to negative None of these from neutral to positive from right to left from negative to positive from positive to negative None of these from neutral to positive from right to left from negative to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 20 Ohm 30 Ohm 100 Ohm 10 Ohm None of these 20 Ohm 30 Ohm 100 Ohm 10 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
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