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? 700 V 651 V None of these 208 V 707 V 700 V 651 V None of these 208 V 707 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor a good conductor of magnetic fields None of these a good insulator a poor conductor of electrostatic fields a good conductor a good conductor of magnetic fields None of these a good insulator a poor conductor of electrostatic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage The total resistance of a parallel circuit is always less than the value of the smallest resistance None of these The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage The total resistance of a parallel circuit is always less than the value of the smallest resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles 1 Microfarad is the same as: 1 millionth of a picofarad None of these 1 million picofarads 1 million farads 1000 millifarads 1 millionth of a picofarad None of these 1 million picofarads 1 million farads 1000 millifarads ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from neutral to positive from left to right from negative to positive from positive to negative None of these from neutral to positive from left to right from negative to positive from positive to negative None of these ANSWER DOWNLOAD EXAMIANS APP
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