Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Number of lines of force Magnetomotive force Reluctance None of these Flux density Number of lines of force Magnetomotive force Reluctance None of these Flux density ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? I = P/E P = E2/R None of these P = I2R P = IE I = P/E P = E2/R None of these P = I2R P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Doping Recombination Ions None of these Barrier potential Doping Recombination Ions None of these Barrier potential ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? many Same number as free electrons less than the free electrons None of these Only those produced by thermal energy many Same number as free electrons less than the free electrons None of these Only those produced by thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a parallel RLC circuit is operating at its resonant frequency: capacitive reactance is greater than the inductive reactance inductive reactance is equal to the capacitive reactance inductive reactance is greater than the capacitive reactance None of these the difference between inductive and capacitive reactance is equal to the resistance capacitive reactance is greater than the inductive reactance inductive reactance is equal to the capacitive reactance inductive reactance is greater than the capacitive reactance None of these the difference between inductive and capacitive reactance is equal to the resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? 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 The rate of change of the number of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
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