Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? None of these 4 0.25 0.5 180 None of these 4 0.25 0.5 180 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of None of these At least 10 Ohm less than 10 Ohm Less than 100 k Ohm More than 100 k Ohm None of these At least 10 Ohm less than 10 Ohm Less than 100 k Ohm More than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: cuts the capacitive reactance in half has no effect on the capacitive reactance multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance None of these cuts the capacitive reactance in half has no effect on the capacitive reactance multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles 1 Microfarad is the same as: None of these 1 millionth of a picofarad 1 million farads 1 million picofarads 1000 millifarads None of these 1 millionth of a picofarad 1 million farads 1 million picofarads 1000 millifarads 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? I = P/E P = IE P = E2/R None of these P = I2R I = P/E P = IE P = E2/R None of these P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Can be any of above Stays the same Increases Decreases None of these Can be any of above Stays the same Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
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