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? 600 V 4.73 24 V 0.4 V None of these 600 V 4.73 24 V 0.4 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: 1 k ohm one million ohms 100,000 ohm None of these one-millionth of an ohm 1 k ohm one million ohms 100,000 ohm None of these one-millionth of an ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called None of these Lifetime Covalent bonding Thermal energy Recombination None of these Lifetime Covalent bonding Thermal energy Recombination ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance of a parallel circuit is equal to the total voltage None of these The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance of a parallel circuit is equal to the total voltage None of these The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance is equal to the sum of the individual resistances in a parallel circuit. ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals 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 The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically None of these The voltage causes current to flow in two directions at the same time The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically None of these The voltage causes current to flow in two directions at the same time ANSWER DOWNLOAD EXAMIANS APP
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