ACEDS FINAL EXAM 2024 ACTUAL EXAM COMPLETE
EXAM QUESTIONS WITH DETAILED VERIFIED ANSWERS
(100% CORRECT ANSWERS) /ALREADY GRADED A+
In a circuit containing a capacitor, the impressed voltage is _____ with the applied
voltage.
a. 270° out of phase
b. 90° out of phase
c. 180° out of phase
d. in phase - ANSWER: 180° out of phase
In a capacitor, the current _____ the applied voltage.
a. is out of phase with
b. is in phase with
c. lags
d. leads - ANSWER: leads
In a capacitor, the current _____ the applied voltage by _____.
a. lags, 180°
b. leads, 90°
c. lags, 90°
d. leads, 180° - ANSWER: leads 90
The voltage rating of a capacitor _____.
a. is a minimum working voltage
b. should never be exceeded
c. can be exceeded as long as the time is under one hr
d. is only a suggested maximum - ANSWER: should never be exceeded
The capacitive reactance of a capacitor is _____ proportional to frequency.
a. directly
b. inversely - ANSWER: inversely
What is the reactance of a 10 pF capacitor when the applied frequency is 30 Hz?
a. 200.36 W
b. 325.76 W
c. 530.52 W
d. 612.83 W - ANSWER: c. 530.52 W
A capacitor is constructed by separating two metal conductors called _____ with an
insulating material called a(n) _____.
a. dielectrics, plate
b. electrolytes, ceramic
c. ceramics, electrolyte
d. plates, dielectric - ANSWER: d. plates, dielectric
, A device that opposes a change of voltage is a(n) _____.
a. capacitor
b. diode
c. inductor - ANSWER: a. capacitor
Increasing the surface area of the plates will cause the capacitance of a capacitor to
_____.
a. stay the same
b. increase
c. decrease - ANSWER: increase
In some capacitors there is a small amount of current that flows from one plate,
through the dielectric material to the other plate. This current is called _____
current.
a. leakage
b. conduction
c. electrolytic
d. electrostatic - ANSWER: a. leakage
In a capacitor, the amount of dielectric stress is proportional to the _____.
a. thickness of the dielectric
b. current flow through the capacitor
c. voltage difference between the plates
d. distance between the plates - ANSWER: c. voltage difference between the plates
In a capacitor, the voltage difference between the plates controls the _____.
a. thickness of the dielectric
b. amount of dielectric stress
c. area of the plates
d. amount of current flow through the capacitor - ANSWER: b. amount of dielectric
stress
Energy in a capacitor is stored as a(n) _____.
a. magnetic field
b. circulating current
c. electrostatic charge
d. electromagnetic field - ANSWER: c. electrostatic charge
The material between the plates is rated by a value called the _____.
a. dielectric variable
b. dielectric constant
c. magnetic constant
d. magnetic variable - ANSWER: b. dielectric constant
The unit capacitance is the _____.
a. coulomb
b. henry
EXAM QUESTIONS WITH DETAILED VERIFIED ANSWERS
(100% CORRECT ANSWERS) /ALREADY GRADED A+
In a circuit containing a capacitor, the impressed voltage is _____ with the applied
voltage.
a. 270° out of phase
b. 90° out of phase
c. 180° out of phase
d. in phase - ANSWER: 180° out of phase
In a capacitor, the current _____ the applied voltage.
a. is out of phase with
b. is in phase with
c. lags
d. leads - ANSWER: leads
In a capacitor, the current _____ the applied voltage by _____.
a. lags, 180°
b. leads, 90°
c. lags, 90°
d. leads, 180° - ANSWER: leads 90
The voltage rating of a capacitor _____.
a. is a minimum working voltage
b. should never be exceeded
c. can be exceeded as long as the time is under one hr
d. is only a suggested maximum - ANSWER: should never be exceeded
The capacitive reactance of a capacitor is _____ proportional to frequency.
a. directly
b. inversely - ANSWER: inversely
What is the reactance of a 10 pF capacitor when the applied frequency is 30 Hz?
a. 200.36 W
b. 325.76 W
c. 530.52 W
d. 612.83 W - ANSWER: c. 530.52 W
A capacitor is constructed by separating two metal conductors called _____ with an
insulating material called a(n) _____.
a. dielectrics, plate
b. electrolytes, ceramic
c. ceramics, electrolyte
d. plates, dielectric - ANSWER: d. plates, dielectric
, A device that opposes a change of voltage is a(n) _____.
a. capacitor
b. diode
c. inductor - ANSWER: a. capacitor
Increasing the surface area of the plates will cause the capacitance of a capacitor to
_____.
a. stay the same
b. increase
c. decrease - ANSWER: increase
In some capacitors there is a small amount of current that flows from one plate,
through the dielectric material to the other plate. This current is called _____
current.
a. leakage
b. conduction
c. electrolytic
d. electrostatic - ANSWER: a. leakage
In a capacitor, the amount of dielectric stress is proportional to the _____.
a. thickness of the dielectric
b. current flow through the capacitor
c. voltage difference between the plates
d. distance between the plates - ANSWER: c. voltage difference between the plates
In a capacitor, the voltage difference between the plates controls the _____.
a. thickness of the dielectric
b. amount of dielectric stress
c. area of the plates
d. amount of current flow through the capacitor - ANSWER: b. amount of dielectric
stress
Energy in a capacitor is stored as a(n) _____.
a. magnetic field
b. circulating current
c. electrostatic charge
d. electromagnetic field - ANSWER: c. electrostatic charge
The material between the plates is rated by a value called the _____.
a. dielectric variable
b. dielectric constant
c. magnetic constant
d. magnetic variable - ANSWER: b. dielectric constant
The unit capacitance is the _____.
a. coulomb
b. henry
