20 3-24. To retain its charge, the capacitor in a simple capacitor filter must have a long charge time constant and a short discharge time constant.   1.    True   2.    False 3-25. If the capacitance in a circuit increases, X_C, will increase.   1.    True   2.    False 3-26. To provide a steady dc output in a simple capacitor circuit, the capacitor must charge almost instantaneously to the value of the applied voltage.   1.    True   2.    False 3-27. What is the most basic type of filter?   1.    Capacitor   2.    LC choke input   3.    LC capacitor input   4.    RC capacitor input 3-28. In a circuit with a capacitor filter, how is the capacitor connected?   1.    In series with the load   2.    In parallel with the load   3.    In parallel with the output   4.    Both 2 and 3 above 3-29. Which, if any, of the following factors determines the rate of discharge of the capacitor in a filter circuit?   1.    The value of the load resistance   2.    The amount of voltage   3.    The type of capacitor   4.    None of the above 3-30. A half-wave rectifier has an output frequency of 60 hertz, a filter capacitor value of 40 microfarads, and a load resistance of 10 kilohms. What is the value of X_C?   1.    132.51 ohms   2.      66.25 ohms   3.      33.13 ohms   4.      16.57 ohms 3-31. A full-wave rectifier has an output frequency of 120 hertz, a filter capacitor value of 25 microfarads, and a load resistance of 10 kilohms. What is the value of X_C?   1.          5.3 ohms   2.        53 ohms   3.      106 ohms   4.    1060 ohms 3-32. The LC choke-input filter is used primarily where which of the following types of regulation is/are important?   1.    Frequency   2.    Current only   3.    Voltage only   4.    Voltage and current 3-33. In an LC choke-input filter circuit, the capacitor charges only to the average value of the input voltage. Which of the following components inhibits the capacitor from reaching the peak value of the input voltage?   1.    Diode   2.    Capacitor   3.    Filter choke   4.    Load resistor