Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 7.8 mA 200 mA 208 mA None of these 300 mA 7.8 mA 200 mA 208 mA None of these 300 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 180 A 7200 A None of these 0.5A 0.083333333333333 180 A 7200 A None of these 0.5A 0.083333333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Positive charges None of these Negative charges Atoms Crystals Positive charges None of these Negative charges Atoms Crystals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Norton's theorem replaces a complicated circuit facing a load by an Ideal current source and series resistor Ideal voltage source and series resistor Ideal current source and parallel resistor None of these Ideal voltage source and parallel resistor Ideal current source and series resistor Ideal voltage source and series resistor Ideal current source and parallel resistor None of these Ideal voltage source and parallel resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? 628 Ohm 444 Ohm None of these Less than 1 Ohm 100 Ohm 628 Ohm 444 Ohm None of these Less than 1 Ohm 100 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: ampere volt watt None of these ohm ampere volt watt None of these ohm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS