Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Flux density Magnetomotive force Number of lines of force Reluctance None of these Flux density Magnetomotive force Number of lines of force Reluctance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Atoms None of these Crystals Positive charges Negative charges Atoms None of these Crystals Positive charges Negative charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is minimum at the resonant frequency always increases as the applied frequency increases None of these always decreases as the applied frequency increases is maximum at the resonant frequency is minimum at the resonant frequency always increases as the applied frequency increases None of these always decreases as the applied frequency increases is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 700 V 707 V 651 V None of these 208 V 700 V 707 V 651 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: voltage generators piezoeletric cells None of these solar cells chemical cells voltage generators piezoeletric cells None of these solar cells chemical cells ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? Only those produced by thermal energy less than the free electrons None of these many Same number as free electrons Only those produced by thermal energy less than the free electrons None of these many Same number as free electrons ANSWER DOWNLOAD EXAMIANS APP
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