quiz9

Question 1

An Ideal capacitor does not dissipate power

Answer 1

True

Question 2

The amount of charge that a capacitor can
store depends on the applied

Answer 2

Voltage

Question 3

Capacitance is directly proportional to plate
spacing.

Answer 3

—False

Question 4

. The difference in voltage between the
source and the capacitor decreases and hence
the rate of movement of electrons decreases
as the capacitor approaches full charge.

Answer 4

— True

Question 5

Dielectric are the following, except;

Answer 5

— Copper

Question 6

Unlike charges attract and like charges
repel a work exists between them.

Answer 6

False

Question 7

If disconnected from the source, the
capacitor will automatically discharge.

Answer 7

— False

Question 8

The unit of capacitance, the farad, is
named after James Faraday.

Answer 8

— False

Question 9

Example of the dielectric used in fixed
capacitors.

Answer 9

— All of these Right

Question 11

Variable Capacitors has a set of stationary
plates and a set of movable plates which are
ganged together and mounted on a shaft.

Answer 11

— True

Question 12

Capacitor is a measure of how much
charge a capacitor can hold.

Answer 12

— False

Question 13

Capacitors are widely used in______ and
_______ applications
—Electrical and Electronic

Answer 13

—Electrical and Electronic

Question 14

Total capacitance is always smaller than
the biggest capacitance when connected
series.
— False

Answer 14

— False

Question 15

The region where this force exists is called
an electric_____

Answer 15

—Field

Question 16

A capacitor consists of two conductors
separated by an Insulator, called a

Answer 16

—- Dielectric

Question 17

Dielectric is a factor by which capacitance
Increases for a number of different materials
based on the relative permittivity of ______

Answer 17

Air

Question 18

As charge is deposited on the plates, the
capacitor_______ builds.

Answer 18

Voltage

Question 19

The figure shows the uncharge state of the
capacitor.

Answer 19

True

Question 20

The graph shows the current during
charging.

Answer 20

True

Question 21

When the capacitor is discharged, this
stored energy is returned to the circuit.

Answer 21

True

Question 22

The capacitance of a capacitor is one farad
If It stores one coulomb of charge when the
voltage across its terminals is ten volts.

Answer 22

False

Question 23

Capacitance is directly proportional to plate
area.

Answer 23

True

Question 24

___________ in a capacitor exists only
while capacitor voltage is changing

Answer 24

Current

Question 25

The given circuit shows a charged
capacitor.

Answer 25

True

Question 26

. Electric fields are force fields that exist in
the region surrounding charged bodies

Answer 26

True

Question 27

Current in the circuit during charging is due
solely to the movement of electrons from one
plate to the other around the external circuit;
current passes through the dielectric between
the plates.

Answer 27

False

Question 28

__________ is a circuit component
designed to store electrical charge.

Answer 28

Capacitor

Question 29

. Faraday published his theory in 1844.

Answer 29

True

Question 30

Fixed Capacitors are often identified by
their dielectric.

Answer 30

True

Question 31

Total capacitance is the sum of the
individual capacitances when connected
parallel.

Answer 31

True

Question 32

___________ Is the electrical property of
capacitors.

Answer 32

Capacitance