Electronic Principles Current is The flow of charged particles through a material None of these An imbalance of electrical charges The force that causes electrons to flow The number of free electrons in an atom The flow of charged particles through a material None of these An imbalance of electrical charges The force that causes electrons to flow The number of free electrons in an atom ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has no electrical charge An electron that has been freed from its parent atom An electron that costs nothing None of these An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge An electron that has been freed from its parent atom An electron that costs nothing None of these An electron that has twice the amount of charge of a normal electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? None of these The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? less than 1 Ohm 312 Ohm None of these 1590 Ohm 690 Ohm less than 1 Ohm 312 Ohm None of these 1590 Ohm 690 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? Neutral Weak Strong None of these Impossible to say Neutral Weak Strong None of these Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current leads the voltage through a resistor Current and voltages are in phase through a resistor Current lags the voltage through a resistor All of these None of these Current leads the voltage through a resistor Current and voltages are in phase through a resistor Current lags the voltage through a resistor All of these None of these ANSWER DOWNLOAD EXAMIANS APP