Electronic Principles Which one of the following statements is true? All of these None of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor increases with operating frequency Power dissipation of a pure capacitor decreases with operating frequency All of these None of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor increases with operating frequency Power dissipation of a pure capacitor decreases with operating frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields The concentration of lines of magnetic force None of these The force that maintains lines of force The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields The concentration of lines of magnetic force None of these The force that maintains lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? None of these 24 V 600 V 4.73 0.4 V None of these 24 V 600 V 4.73 0.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has No holes many holes a few free electrons and holes many free electrons None of these No holes many holes a few free electrons and holes many free electrons None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 37.4 V None of these 38.74 V 30.4 V 35.4 V 37.4 V None of these 38.74 V 30.4 V 35.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 100 Ohm 50 Ohm or more 5 Ohm 6 Ohm None of these 100 Ohm 50 Ohm or more 5 Ohm 6 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP