Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? None of these 0.20833333333333 20 A 50 A None of these 0.20833333333333 20 A 50 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.7V 1 V 0.3V 2 m V per degree Celsius None of these 0.7V 1 V 0.3V 2 m V per degree Celsius None of these 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 = I2R None of these P = E2/R P = IE I = P/E P = I2R None of these P = E2/R P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has a few free electrons and holes None of these many holes many free electrons No holes a few free electrons and holes None of these many holes many free electrons No holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 200 k Ohm or less 20 km or less 20 k Ohm or more None of these 200 k Ohm or more 200 k Ohm or less 20 km or less 20 k Ohm or more None of these 200 k Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles 1 Microfarad is the same as: 1 million farads None of these 1 million picofarads 1 millionth of a picofarad 1000 millifarads 1 million farads None of these 1 million picofarads 1 millionth of a picofarad 1000 millifarads ANSWER DOWNLOAD EXAMIANS APP
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