Electronic Principles The net charge of a neutral copper atom is 1 4 None of these -1 1 4 None of these -1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Flux density None of these Number of lines of force Magnetomotive force Reluctance Flux density None of these Number of lines of force Magnetomotive force Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? -3 None of these 2 -6 -3 None of these 2 -6 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 changes direction periodically 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 flows in one direction at a steady level None of these The current in an ac circuit changes direction periodically 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 flows in one direction at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Reluctance Permeance There is no valid comparison Permeability Retentivity Reluctance Permeance There is no valid comparison Permeability Retentivity 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? 208 mA 7.8 mA None of these 300 mA 200 mA 208 mA 7.8 mA None of these 300 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP