Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 3 43922 None of these 43891 2 3 43922 None of these 43891 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = IE P = I2R P = E2/R I = P/E None of these P = IE P = I2R P = E2/R I = P/E None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: solar cells None of these voltage generators piezoeletric cells chemical cells solar cells None of these voltage generators piezoeletric cells chemical cells ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The algebraic sum of voltages entering and leaving a point is equal to zero The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it None of these The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it None of these The total voltage in a parallel circuit is less than the value of the smallest voltage ANSWER DOWNLOAD EXAMIANS APP
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? 0.4 V 4.73 24 V 600 V None of these 0.4 V 4.73 24 V 600 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a series circuit? None of these 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 in a series circuit is equal to the average value of the individual voltages The total voltage of a series circuit is equal to the total current divided by the total resistance None of these 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 in a series circuit is equal to the average value of the individual voltages The total voltage of a series circuit is equal to the total current divided by the total resistance ANSWER DOWNLOAD EXAMIANS APP
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