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1

The total capacitance of two capacitors connected in series is less than that of either capacitor alone.
A)True
B)False
2

The capacitance is dependent on the potential difference placed across its plates.
A)True
B)False
3

If a conductor has a capacitance of one farad, a transfer of one coulomb of charge to the conductor will increase its potential by one volt.
A)True
B)False
4

The capacitance of a given capacitor will be higher if the separation of the plates is reduced without changing the dielectric.
A)True
B)False
5

Insertion of a dielectric between the plates of a capacitor decreases the voltage across it and hence reduces the capacitance.
A)True
B)False
6

If the charge on a capacitor is doubled, the potential energy will be quadrupled.
A)True
B)False
7

For capacitors connected in parallel, the voltage across each capacitor is the same as that across the source.
A)True
B)False
8

The amount of charge that can be placed on a conductor does not depend on
A)the dielectric strength
B)its capacitance
C)its potential
D)its size or shape
9

The capacitance of a capacitor increases with a decrease in
A)dielectric constant
B)permittivity
C)plate area
D)plate separation
10

Which of the following is not a representation of the potential energy of a conductor?
A)½QV²
B)Q²/(2 C)
C)½QV
D)½CV²
11

Which of the following is true for capacitors in series?
A)The total capacitance is the sum of the individual capacitances.
B)The total charge is the sum of the charges on each capacitor.
C)The total voltage is the sum of the voltages across each capacitor.
D)The available charge is shared between two or more capacitors.
12

The plates of a 2-pF capacitor have an extra of 20 cm2. If air is the dielectric, the plate separation must be approximately
A)0.885 mm
B)8.85 mm
C)88.5 mm
D)885 mm
13

What potential difference is required to store 24 µC of charge on a 6-µF capacitor?
A)4 V
B)0.25 V
C)40 V
D)144 V
14

The voltage across the 3-µF capacitor in Fig. 26-3 is
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A)4 V
B)6 V
C)8 V
D)12 V
15

A certain capacitor has a capacitance of 12 µF when the dielectric is air. The capacitor is charged to 400 V and disconnected from the power source. If a dielectric (K = 4.0) is inserted, the new voltage will be
A)100 V
B)400 V
C)800 V
D)1600 V
16

An 8-µF capacitor is connected to a potential difference of 12 V. The potential energy is
A)4.8 X 10-4 J
B)5.76 X 10-4 J
C)576 J
D)480 J
17

The capacitance of a given capacitor will be directly proportional to the of the plates and inversely proportional to .
18

The for a given material is that electric field intensity for which the material ceases to be an insulator and becomes a conductor.
19

Three advantages for the use of dielectrics with capacitors are , , and .
20

Three different physical ratios that can be used to calculate the dielectric constant are , , and .
21

The dielectric constant may also be referred to as the relative of a material.
22

The total capacitance of a number of capacitors connected in series is (less than, greater than, or the same as) the capacitance of any capacitor taken individually.
23

The for a material is the ratio of the capacitance with that material between the plates to the capacitance for a vacuum between the plates.
24

For a given capacitor of known charge Q, voltage V, and capacitance C, list three expressions for calculating its potential energy: , ,and .
25

A group of capacitors connected directly to the same source of potential difference so that the available charge is shared are said to be connected in .







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