Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.5 4 None of these 180 0.25 0.5 4 None of these 180 0.25 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a positive charge and a proton has no charge None of these An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has a positive charge An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has no charge None of these An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has a positive charge An electron has a negative charge and a proton has no charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 38.74 V None of these 37.4 V 35.4 V 30.4 V 38.74 V None of these 37.4 V 35.4 V 30.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 14 mA None of these 12 mA 11 mA 10 mA 14 mA None of these 12 mA 11 mA 10 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an None of these Ideal current source and parallel resistor Ideal voltage source and parallel resistor Ideal current source and series resistor Ideal voltage source and series resistor None of these Ideal current source and parallel resistor Ideal voltage source and parallel resistor Ideal current source and series resistor Ideal voltage source and series resistor ANSWER DOWNLOAD EXAMIANS APP
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