Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 30 Ohm 60 Ohm 754 Ohm None of these 120 Ohm 30 Ohm 60 Ohm 754 Ohm None of these 120 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? Strong Neutral Weak Impossible to say None of these Strong Neutral Weak Impossible to say None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? None of these The concentration of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force None of these The concentration of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force 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? 30 Ohm 20 Ohm 10 Ohm None of these 100 Ohm 30 Ohm 20 Ohm 10 Ohm None of these 100 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 None of these The total voltages is less than the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 None of these The total voltages is less than the sum of the voltages across the resistance and inductance 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? None of these I = P/E P = PR R = E2/P P = E2/R None of these I = P/E P = PR R = E2/P P = E2/R ANSWER DOWNLOAD EXAMIANS APP
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