Question 1

A 100 μ F capacitor and a 3.6 k Ω resistor are connected in series. How long will it take for the capacitor to change its charge completely?

Accepted Answer

A)   1.8 s
B)   2.3 s
C)   3.8 s
D)   4.3 sE) B) and D)
F) B) and C)

Question 2

Energy in a capacitor is stored as a(n)  _____.

Accepted Answer

A)   electrostatic charge
B)   magnetic field
C)   electromagnetic field
D)   circulating currentE) All of the above
F) B) and D)

Question 3

Three capacitors, a 12 μ F, a 20 μ F and a 30 μ F, are connected in parallel. What is the total capacitance?

Accepted Answer

A)   6 μ F
B)   62 μ FC) A) and B)
D) undefined

Question 4

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.

Accepted Answer

A)   leakage
B)   conduction
C)   electrostatic
D)   electrolyticE) None of the above
F) B) and D)

Question 5

What letter symbolizes the farad?

Accepted Answer

A)   C
B)   Q
C)   F
D)   VE) A) and D)
F) A) and C) C

Question 6

A HIPOT is a test set used to test capacitor _____.

Accepted Answer

A)   capacitance
B)   dielectric
C)   leads
D)   toleranceE) B) and C)
F) None of the above

Question 7

Three capacitors, a 12 μ F, a 20 μ F and a 30 μ F, are connected in series. What is the total capacitance?

Accepted Answer

A)   6 μ F
B)   62 μ FC) A) and B)
D) undefined

Question 8

When a capacitor is connected in a circuit with a resistor, the amount of time needed to charge the capacitor is called the _____.

Accepted Answer

A)   CR time constant
B)   RC time constant
C)   CR time variable
D)   RC time variableE) All of the above
F) None of the above

Question 9

Two capacitors, a 20 μ F and a 30 μ F, are connected in series. What is the total capacitance?

Accepted Answer

A)   12 μ F
B)   50 μ FC) A) and B)
D) undefined A

Question 10

Two capacitors, a 20 μ F and a 30 μ F, are connected in parallel. What is the total capacitance?

Accepted Answer

A)   12 μ F
B)   50 μ FC) A) and B)
D) undefined

Question 11

Increasing the surface area of the plates will cause the capacitance of a capacitor to _____.

Accepted Answer

A)   decrease
B)   increase
C)   stay the sameD) A) and C)
E) A) and B)

Question 12

In a capacitor, the voltage difference between the plates controls the _____.

Accepted Answer

A)   area of the plates
B)   thickness of the dielectric
C)   amount of dielectric stress
D)   amount of current flow through the capacitorE) A) and C)
F) B) and C)

Question 13

The material between a capacitor 's plates is rated by a value called the _____.

Accepted Answer

A)   dielectric constant
B)   magnetic constant
C)   dielectric variable
D)   magnetic variableE) B) and C)
F) A) and D)

Question 14

A charge curve for a capacitor is divided into _____ time constants.

Accepted Answer

A)   two
B)   three
C)   four
D)   fiveE) A) and D)
F) A) and C)

Question 15

The JAN standard is used to mark a capacitor intended for _____.

Accepted Answer

A)   industrial
B)   civilian
C)   military
D)   laboratoryE) All of the above
F) A) and B)

Question 16

What is a device that opposes a change of voltage?

Accepted Answer

A)   an inductor
B)   a capacitor
C)   a diodeD) B) and C)
E) None of the above

Question 17

Polarized capacitors are also known as _____ capacitors.

Accepted Answer

A)   bipolar
B)   variable
C)   electrolytic
D)   electroplatedE) A) and D)
F) B) and C)

Question 18

The _______________ indicates the amount of capacitance change with temperature.

Accepted Answer

temperatur...

Question 19

What is the basic unit of capacitance?

Accepted Answer

A)   henry
B)   farad
C)   ohm
D)   coulombE) A) and D)
F) All of the above

Question 20

A capacitor is constructed by separating two metal conductors known as _____ with an insulating material known as a(n)  _____.

Accepted Answer

A)   plates; dielectric
B)   dielectrics; plate
C)   electrolytes; ceramic
D)   ceramics; electrolyteE) A) and D)
F) A) and C) A

Exam 20: Capacitors

A 100 μ F capacitor and a 3.6 k Ω resistor are connected in series. How long will it take for the capacitor to change its charge completely?

Correct AnswerverifiedShow Answer

Energy in a capacitor is stored as a(n) _____.

Correct AnswerverifiedShow Answer

Three capacitors, a 12 μ F, a 20 μ F and a 30 μ F, are connected in parallel. What is the total capacitance?

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

What letter symbolizes the farad?

Correct AnswerverifiedC

A HIPOT is a test set used to test capacitor _____.

Correct AnswerverifiedShow Answer

Three capacitors, a 12 μ F, a 20 μ F and a 30 μ F, are connected in series. What is the total capacitance?

Correct AnswerverifiedShow Answer

When a capacitor is connected in a circuit with a resistor, the amount of time needed to charge the capacitor is called the _____.

Correct AnswerverifiedShow Answer

Two capacitors, a 20 μ F and a 30 μ F, are connected in series. What is the total capacitance?

Correct AnswerverifiedA

Two capacitors, a 20 μ F and a 30 μ F, are connected in parallel. What is the total capacitance?

Correct AnswerverifiedShow Answer

Increasing the surface area of the plates will cause the capacitance of a capacitor to _____.

Correct AnswerverifiedShow Answer

In a capacitor, the voltage difference between the plates controls the _____.

Correct AnswerverifiedShow Answer

The material between a capacitor 's plates is rated by a value called the _____.

Correct AnswerverifiedShow Answer

A charge curve for a capacitor is divided into _____ time constants.

Correct AnswerverifiedShow Answer

The JAN standard is used to mark a capacitor intended for _____.

Correct AnswerverifiedShow Answer

What is a device that opposes a change of voltage?

Correct AnswerverifiedShow Answer

Polarized capacitors are also known as _____ capacitors.

Correct AnswerverifiedShow Answer

The _______________ indicates the amount of capacitance change with temperature.

Correct Answerverifiedtemperatur...View AnswerShow Answer

What is the basic unit of capacitance?

Correct AnswerverifiedShow Answer

A capacitor is constructed by separating two metal conductors known as _____ with an insulating material known as a(n) _____.

Correct AnswerverifiedA

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A capacitor is constructed by separating two metal conductors known as _ with an insulating material known as a(n) _.

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