FAA General questions with correct answers

The working voltage of a capacitor in an ac circuit should be... CORRECT ANSWER at least 50 percent greater than the highest applied voltage. The term that describes the combined resistive forces in an ac circuit is... CORRECT ANSWER impedance. What is the opposition to the flow of AC produced by a magnetic field with generated back voltage (EMF) called? CORRECT ANSWER Inductive reactance Electrostatic fields are also known as... CORRECT ANSWER dielectric fields The basis for transformer operation in the use of alternating current is mutual... CORRECT ANSWER inductance The opposition offered by a coil to the flow of alternating current is called (disregard resistance)... CORRECT ANSWER inductive reactance An increase in which of the following factors will cause an increase in the inductive reactance of a circuit? CORRECT ANSWER Inductance and frequency REFER TO FIGURE 1 When different rated capacitors are connected in series in a circuit, the total capacitance is... CORRECT ANSWER less than the capacitance of the lowest rated capacitor.