Interview

11. A ___ capacitor allows ac signals to pass while blocking dc signals. A.     filter    B.     bypass C. […]

6. The term ______ is derived from a mathematical function in calculus. A.     differentiator    B.     integrator C.   

1. If a 5 V, 60 Hz voltage is applied to a 4.7 mu.gifF capacitor, the circuit current will be

26. A capacitor can be fully charged in 4 time constants. A.     True    B.     False Answer & Explanation

21. A capacitor stores electric energy in the form of an electric field. A.     True    B.     False Answer

16. The unit of capacitance is a farad; one farad stores one coulomb of charge or 6.24 x 1018 electrons.

11. In the given circuit, the voltage across the capacitor 1 ms after the switch is closed is 11.61 V.

6. Ceramic capacitors have higher voltage ratings than electrolytic capacitors. A.     True    B.     False Answer & Explanation Answer:

1. Capacitive reactance is inversely proportional with frequency. A.     True    B.     False Answer & Explanation Answer: Option A

71. What will a 1 F capacitor store? A.     one coulomb of charge B.     6.24 x 1012 electrons

66. A capacitor and an output resistor form a series circuit with a square wave applied. The circuit is: A.

61. The strength of an electric field at a given point is proportional to the potential difference on the plates

56. Which of the following is the reference vector for parallel RC circuits? A.     R    B.     I C.

51. What is the circuit’s impedance? A.     1192 B.     843 C.     723 D.     511 Answer &

46. How long would it take the capacitor in the given circuit to completely charge if the switch was in

36. What is the capacitive reactance if I = 1 amp, V = 2 volts, C = 5 F, and

31. If C1, a 4.7 F capacitor, and C2, a 3.3 F capacitor are in series with 18 Vdc applied,

26. In a capacitive circuit, current flow is limited to A.     charging periods B.     discharging periods C.   

21. If a current of 40 mA flows through a series circuit consisting of a 0.4 F capacitor and a

16. What is the phase shift between the voltage across the resistor and the voltage from the source? A.   

11. A capacitor’s rate of charge is considered: A.     magnetic B.     a current block C.     linear D.

6. When a 4.7 F capacitor is connected to a 1 kHz source, what is its capacitive reactance? A.   

1. In a 20 Vac series RC circuit, if 20 V is measured across the resistor and 40 V is

1. In a 20 Vac series RC circuit, if 20 V is measured across the resistor and 40 V is