Electronic Principles When the Q point moves along the load line, the voltage increases when the current Increases Can be any of above Stays the same Decreases None of these Increases Can be any of above Stays the same Decreases None of these 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 causes current to flow in two directions at the same time None of these The voltage remains at one polarity but changes value periodically The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level The voltage causes current to flow in two directions at the same time None of these The voltage remains at one polarity but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.6 A None of these 0.2 A 0.4 A 0.3 A 0.6 A None of these 0.2 A 0.4 A 0.3 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Regulate voltage None of these Emit light Amplify weak signals Rectify line voltage Regulate voltage None of these Emit light Amplify weak signals Rectify line voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Same as the primary current No more than 10% less than the primary current One-half the primary current Twice the primary current None of these Same as the primary current No more than 10% less than the primary current One-half the primary current Twice the primary current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a series circuit? The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage in a series circuit is always less than the value of the smallest voltage The total voltage of a series circuit is equal to the total current divided by the total resistance None of these The total voltage in a series circuit is equal to the average value of the individual voltages The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage in a series circuit is always less than the value of the smallest voltage The total voltage of a series circuit is equal to the total current divided by the total resistance None of these The total voltage in a series circuit is equal to the average value of the individual voltages ANSWER DOWNLOAD EXAMIANS APP
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