Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 690 Ohm 1590 Ohm 312 Ohm None of these less than 1 Ohm 690 Ohm 1590 Ohm 312 Ohm None of these less than 1 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? I = P/E R = E2/P P = E2/R P = PR None of these I = P/E R = E2/P P = E2/R P = PR None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? None of these An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has no charge None of these An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has no charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: multiplies the inductive reactance by 6.28 cuts the inductive reactance in half doubles the amount of inductive reactance None of these has no effect on the inductive reactance multiplies the inductive reactance by 6.28 cuts the inductive reactance in half doubles the amount of inductive reactance None of these has no effect on the inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Stays the same None of these Decreases Increases 0oC Stays the same None of these Decreases Increases 0oC 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? Retentivity Reluctance Permeability Permeance There is no valid comparison Retentivity Reluctance Permeability Permeance There is no valid comparison ANSWER DOWNLOAD EXAMIANS APP
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