Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Increases 0oC Decreases Stays the same None of these Increases 0oC Decreases Stays the same None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: multiplies the inductive reactance by 6.28 has no effect on the inductive reactance doubles the amount of inductive reactance cuts the inductive reactance in half None of these multiplies the inductive reactance by 6.28 has no effect on the inductive reactance doubles the amount of inductive reactance cuts the inductive reactance in half None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? There is no valid comparison Permeability Permeance Reluctance Retentivity There is no valid comparison Permeability Permeance Reluctance Retentivity ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? None of these Four - two negative and two positive Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals One - a negative terminal None of these Four - two negative and two positive Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: None of these peak both the voltage and current waveforms peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms None of these peak both the voltage and current waveforms peak the current and round off the voltage 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 is most likely used for measuring the rate of electron flow? None of these Ammeter Wattmeter Voltmeter Ohmmeter None of these Ammeter Wattmeter Voltmeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
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