Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeance Retentivity Permeability There is no valid comparison Reluctance Permeance Retentivity Permeability There is no valid comparison Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = E2/R I = P/E P = I2R None of these P = IE P = E2/R I = P/E P = I2R None of these P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: volt ampere None of these ohm watt volt ampere None of these ohm watt ANSWER DOWNLOAD EXAMIANS APP
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? 300 mA 200 mA None of these 7.8 mA 208 mA 300 mA 200 mA None of these 7.8 mA 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 1590 Ohm less than 1 Ohm None of these 690 Ohm 312 Ohm 1590 Ohm less than 1 Ohm None of these 690 Ohm 312 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 122 W 64 W None of these 3 W 6 W 122 W 64 W None of these 3 W 6 W ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS