Question 1

A(n) ______ is the electrical resistance between two points along a conductor that,when one volt is applied,produces 1 ampere of current.

Accepted Answer

A)   amp
B)   volt
C)   ohm
D)   wattE) B) and C)
F) All of the above C

Question 2

A closed pathway of wires and related elements is a(n) :

Accepted Answer

A)   diode
B)   fuse
C)   rheostat
D)   electric circuitE) All of the above
F) A) and B)

Question 3

A step-down transformer results in:

Accepted Answer

A)   increased current
B)   increased voltage
C)   A and B
D)   none of the aboveE) B) and C)
F) A) and C)

Question 4

The primary purpose of the step-down transformer is to:

Accepted Answer

A)   decrease the voltage going to the filaments
B)   decrease the amperage going to the filaments
C)   increase the voltage going to the filaments
D)   increase the amperage going to the filamentsE) A) and B)
F) A) and C)

Question 5

The mA meter is found on the:

Accepted Answer

A)   primary circuit
B)   secondary circuit
C)   filament circuit
D)   none of the aboveE) A) and B)
F) A) and C)

Question 6

When a metallic conductor is colder:

Accepted Answer

A)   resistance decreases
B)   resistance increases
C)   resistance remains the same
D)   none of the aboveE) B) and D)
F) A) and B)

Question 7

Slowing down the speed at which the conductor passes through the magnetic field results in:

Accepted Answer

A)   increased electromagnetic induction
B)   reduced electromagnetic induction
C)   no effect on electromagnetic inductionD) A) and B)
E) B) and C)

Question 8

How much current is needed to heat the filament enough to produce a 100 to 1000 mA tube current?

Accepted Answer

A)   1 A to 10 A
B)   5 A to 7 A
C)   1 mA to 10 mA
D)   5 mA to 7 mAE) B) and D)
F) A) and C)

Question 9

The device that adjusts the incoming power supplied to the x-ray circuit to maintain 220 V is the:

Accepted Answer

A)   circuit breaker
B)   autotransformer
C)   timer circuit
D)   line compensatorE) B) and D)
F) C) and D)

Question 10

Kilovolt peak is abbreviated as:

Accepted Answer

A)   kP
B)   kPk
C)   kVPk
D)   kVpE) A) and B)
F) None of the above

Question 11

Ohm's Law can be written as:

Accepted Answer

A)   I = V/R
B)   I = R/V
C)   R = I/V
D)   R = IRE) B) and C)
F) All of the above

Question 12

The rate of flow of electrons passing through the x-ray tube during an exposure is:

Accepted Answer

A)   mA
B)   tube current
C)   filament current
D)   A and BE) B) and D)
F) B) and C)

Question 13

Which of the following opens a circuit to keep the circuit and devices safe?

Accepted Answer

A)   fuse
B)   resistor
C)   circuit breaker
D)   A and CE) A) and D)
F) None of the above

Question 14

The volt is the unit of measure for:

Accepted Answer

A)   electric current
B)   electric potential
C)   resistance
D)   electrostaticsE) B) and C)
F) A) and B)

Question 15

Mutual induction involves electricity being induced into a ______________.

Accepted Answer

A)   primary coil
B)   secondary coil
C)   moving magnetic field
D)   none of the aboveE) B) and C)
F) C) and D)

Question 16

A battery produces:

Accepted Answer

A)   alternating current
B)   indirect current
C)   direct current
D)   current that changes directionE) None of the above
F) A) and B) C

Question 17

A general purpose radiographic tube typically has ____ filament(s) .

Accepted Answer

A)   one
B)   two
C)   three
D)   fourE) A) and C)
F) B) and C)

Question 18

The rectifiers are found on the:

Accepted Answer

A)   primary circuit
B)   secondary circuit
C)   filament circuit
D)   none of the aboveE) None of the above
F) A) and D)

Question 19

The filament is a straight piece of wire in the cathode.

Accepted Answer

A) True 
 B)False

Question 20

The autotransformer,using only one coil of wire,does not have both a primary and secondary side.

Accepted Answer

A) True 
 B)False  False

Exam 4: X-Ray Circuit

A(n) ______ is the electrical resistance between two points along a conductor that,when one volt is applied,produces 1 ampere of current.

Correct AnswerverifiedC

A closed pathway of wires and related elements is a(n) :

Correct AnswerverifiedShow Answer

A step-down transformer results in:

Correct AnswerverifiedShow Answer

The primary purpose of the step-down transformer is to:

Correct AnswerverifiedShow Answer

The mA meter is found on the:

Correct AnswerverifiedShow Answer

When a metallic conductor is colder:

Correct AnswerverifiedShow Answer

Slowing down the speed at which the conductor passes through the magnetic field results in:

Correct AnswerverifiedShow Answer

How much current is needed to heat the filament enough to produce a 100 to 1000 mA tube current?

Correct AnswerverifiedShow Answer

The device that adjusts the incoming power supplied to the x-ray circuit to maintain 220 V is the:

Correct AnswerverifiedShow Answer

Kilovolt peak is abbreviated as:

Correct AnswerverifiedShow Answer

Ohm's Law can be written as:

Correct AnswerverifiedShow Answer

The rate of flow of electrons passing through the x-ray tube during an exposure is:

Correct AnswerverifiedShow Answer

Which of the following opens a circuit to keep the circuit and devices safe?

Correct AnswerverifiedShow Answer

The volt is the unit of measure for:

Correct AnswerverifiedShow Answer

Mutual induction involves electricity being induced into a ______________.

Correct AnswerverifiedShow Answer

A battery produces:

Correct AnswerverifiedC

A general purpose radiographic tube typically has ____ filament(s) .

Correct AnswerverifiedShow Answer

The rectifiers are found on the:

Correct AnswerverifiedShow Answer

The filament is a straight piece of wire in the cathode.

Correct AnswerverifiedShow Answer

The autotransformer,using only one coil of wire,does not have both a primary and secondary side.

Correct AnswerverifiedFalse

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C

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C

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False