CHAPTER 4 X RAY CIRCUIT EXAM
QUSTIONS WITH ACTUAL CORECT
ANSWERS AREADY GRADED A+.
The primary purpose of the step-down transformer is to:
decrease the voltage going to the filaments
decrease the amperage going to the filaments
increase the amperage going to the filaments - CorreCt Answers -increase
the amperage going to the filaments
A general purpose radiographic tube typically has_________ filament(s).
one
two
three
four - CorreCt Answers -two
Determining which filament will be used during an exposure is done at the
operating console by the selection of:
small or large focal spot
small or large filament
high or low exposure time
high or low kVp - CorreCt Answers -small or large focal spot
Place the following events leading to the production of x-rays in order, from
first to last:
,I. kilovoltage is rectified
II. voltage is adjusted at the autotransformer
III. anode and cathode develop large positive and negative charges
IV. voltage changes to kilovoltage
IV, III, II, I
II, IV, I, III
III, I, II, IV
I, II, IV, II - CorreCt Answers -II, IV, I, III
Place the following events leading to the production of x-rays in order, from
first to last:
I. AC is converted to DC
II. voltage is adjusted at the autotransfomer
III. kilovoltage leaves the step-up transformer
IV. voltage goes to primary side of step-up transformer
I, II, III, IV,
II, I, IV, III
IV, III, II, I
II, IV, III, I - CorreCt Answers -II, IV, III, I
Place the following events leading to the production of x-rays in order from
first to last:
I. resistance is adjusted at the rheostat
II. filament is heated
III. filament current is increased
,IV. electrons are boiled off filalment - CorreCt Answers -I, III, II, IV
Place the following events leading to the production of x-rays in order from
first to last:
I. electrons are boiled off the filament
II. electricity leaves the autotransformer
III. electricity goes to primary side of step-down transformer
IV. filament is heated - CorreCt Answers -II, III, IV, IThe study of electric
charges in motion is
electrodynamics
electromagnetism
electronics
electrostatics - CorreCt Answers -electrodynamics
Electricity is typically thought to be:
electromagnetism
electrodynamics
electronics
electrostatics - CorreCt Answers -electrodynamics
The unit of measurement of electrical charges (SI) is:
watt
joule
newton
coulomb - CorreCt Answers -coulomb
, One coulomb is equal to the electrical charge of 6.25 X 10^18
electrons
protons
neutrons
nuclei - CorreCt Answers -electrons
One of the laws of electrostatics is that like charges _______ and unlike
charges _______.
attract; repel
attract; attract
repel; attract
repel; repel - CorreCt Answers -repel; attract
As 2 charges get closer, the electrostatic force:
is directly proportional to the amount of distance between them
is inversely proportional to the amount of distance between them
is inversely proportional to the square of the distance between them
is directly proportional to the square of the distance between them -
CorreCt Answers -is inversely proportional to the square of the distance
between them
If a conductor is curved, the greatest amount of charge will be found:
at the beginning of the conductor
at the end of the conductor
QUSTIONS WITH ACTUAL CORECT
ANSWERS AREADY GRADED A+.
The primary purpose of the step-down transformer is to:
decrease the voltage going to the filaments
decrease the amperage going to the filaments
increase the amperage going to the filaments - CorreCt Answers -increase
the amperage going to the filaments
A general purpose radiographic tube typically has_________ filament(s).
one
two
three
four - CorreCt Answers -two
Determining which filament will be used during an exposure is done at the
operating console by the selection of:
small or large focal spot
small or large filament
high or low exposure time
high or low kVp - CorreCt Answers -small or large focal spot
Place the following events leading to the production of x-rays in order, from
first to last:
,I. kilovoltage is rectified
II. voltage is adjusted at the autotransformer
III. anode and cathode develop large positive and negative charges
IV. voltage changes to kilovoltage
IV, III, II, I
II, IV, I, III
III, I, II, IV
I, II, IV, II - CorreCt Answers -II, IV, I, III
Place the following events leading to the production of x-rays in order, from
first to last:
I. AC is converted to DC
II. voltage is adjusted at the autotransfomer
III. kilovoltage leaves the step-up transformer
IV. voltage goes to primary side of step-up transformer
I, II, III, IV,
II, I, IV, III
IV, III, II, I
II, IV, III, I - CorreCt Answers -II, IV, III, I
Place the following events leading to the production of x-rays in order from
first to last:
I. resistance is adjusted at the rheostat
II. filament is heated
III. filament current is increased
,IV. electrons are boiled off filalment - CorreCt Answers -I, III, II, IV
Place the following events leading to the production of x-rays in order from
first to last:
I. electrons are boiled off the filament
II. electricity leaves the autotransformer
III. electricity goes to primary side of step-down transformer
IV. filament is heated - CorreCt Answers -II, III, IV, IThe study of electric
charges in motion is
electrodynamics
electromagnetism
electronics
electrostatics - CorreCt Answers -electrodynamics
Electricity is typically thought to be:
electromagnetism
electrodynamics
electronics
electrostatics - CorreCt Answers -electrodynamics
The unit of measurement of electrical charges (SI) is:
watt
joule
newton
coulomb - CorreCt Answers -coulomb
, One coulomb is equal to the electrical charge of 6.25 X 10^18
electrons
protons
neutrons
nuclei - CorreCt Answers -electrons
One of the laws of electrostatics is that like charges _______ and unlike
charges _______.
attract; repel
attract; attract
repel; attract
repel; repel - CorreCt Answers -repel; attract
As 2 charges get closer, the electrostatic force:
is directly proportional to the amount of distance between them
is inversely proportional to the amount of distance between them
is inversely proportional to the square of the distance between them
is directly proportional to the square of the distance between them -
CorreCt Answers -is inversely proportional to the square of the distance
between them
If a conductor is curved, the greatest amount of charge will be found:
at the beginning of the conductor
at the end of the conductor
