Electronic Principles What is a free electron? An electron that has been freed from its parent atom An electron that costs nothing None of these An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom An electron that costs nothing None of these An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Magnetomotive force Reluctance None of these Number of lines of force Flux density Magnetomotive force Reluctance None of these Number of lines of force Flux density ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 6 Ohm 100 Ohm 5 Ohm 50 Ohm or more None of these 6 Ohm 100 Ohm 5 Ohm 50 Ohm or more None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: None of these has no effect on the inductive reactance cuts the inductive reactance in half doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 None of these has no effect on the inductive reactance cuts the inductive reactance in half doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 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? None of these P = I2R P = E2/R I = P/E P = IE None of these P = I2R P = E2/R I = P/E P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: photodiode solar cell piezoelectric device None of these nicad cell photodiode solar cell piezoelectric device None of these nicad cell ANSWER DOWNLOAD EXAMIANS APP