Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? None of these Magnetomotive force Flux density Number of lines of force Reluctance None of these Magnetomotive force Flux density Number of lines of force Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.02 A 0.41666666666667 None of these 2.02 A 0.955 A 0.02 A 0.41666666666667 None of these 2.02 A 0.955 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? 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 None of these The current in an ac circuit flows in one direction at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has Infinite internal resistance A large internal resistance Zero internal resistance A small internal resistance None of these Infinite internal resistance A large internal resistance Zero internal resistance A small internal resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 445 ohm 690 ohm 150 ohm None of these 220 ohm 445 ohm 690 ohm 150 ohm None of these 220 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: less than the value of the smallest capacitor None of these equal to the source voltage divided by total current equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values less than the value of the smallest capacitor None of these equal to the source voltage divided by total current equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values ANSWER DOWNLOAD EXAMIANS APP