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 2 None of these 43891 3 43922 2 None of these 43891 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The algebraic sum of voltages in a loop is equal to zero None of these The algebraic sum of voltages entering and leaving a point 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 The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages in a loop is equal to zero None of these The algebraic sum of voltages entering and leaving a point 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 The total voltage in a parallel circuit is less than the value of the smallest voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? Only those produced by thermal energy less than the free electrons Same number as free electrons many None of these Only those produced by thermal energy less than the free electrons Same number as free electrons many None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point None of these up off the load line down nowhere None of these up off the load line down nowhere ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: None of these you are pressing the button its contact remain open you are not pressing the button its contact remain open None of these you are pressing the button its contact remain open you are not pressing the button its contact remain open ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 4 0.5 0.25 None of these 180 4 0.5 0.25 None of these 180 ANSWER DOWNLOAD EXAMIANS APP
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