Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ammeter Ohmmeter Wattmeter None of these Voltmeter Ammeter Ohmmeter Wattmeter None of these Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: ohm None of these volt watt ampere ohm None of these volt watt ampere ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? None of these A feiTomagnetic material A diamagnetic material All of these A paramagnetic material None of these A feiTomagnetic material A diamagnetic material All of these A paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage reverses polarity periodically None of these The voltage causes current to flow in two directions at the same time The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically The voltage reverses polarity periodically None of these The voltage causes current to flow in two directions at the same time The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: None of these ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current lags the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
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