Question 1

The ability of a material to attract iron, cobalt, or nickel is called

Accepted Answer

A)   electromagnetism
B)   potential difference
C)   magnetism
D)   voltage

Question 2

The only adjustable transformer in the x-ray circuit is the

Accepted Answer

A)   primary side of the high-voltage transformer
B)   secondary side of the high-voltage transformer
C)   autotransformer
D)   step-down transformer

Question 3

A material that allows electrons to move is a(n)

Accepted Answer

A)   volt
B)   insulator
C)   conductor
D)   inductor

Question 4

Current that changes direction in the conductor is

Accepted Answer

A)   alternating current
B)   indirect current
C)   direct current
D)   weak current

Question 5

The ampere is defined as ______ Coulomb passing by a point in ____ second.

Accepted Answer

A)   1; 1
B)   2; 1
C)   1; 2
D)   2; 2

Question 6

The step-down transformer is found on the

Accepted Answer

A)   primary circuit
B)   secondary circuit
C)   filament circuit
D)   none of these

Question 7

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 filaments

Question 8

The _____________________ converts volts to kilovolts.

Accepted Answer

A)   step-up transformer
B)   step-down transformer
C)   autotransformer
D)   none of these

Question 9

A transformer with 100 times more turns on the secondary side as compared with the primary

Accepted Answer

A)   is a step-up transformer
B)   is a step-down transformer
C)   is a transformer that works on self-induction
D)   will have 100 times the current on the secondary side

Question 10

A battery produces

Accepted Answer

A)   alternating current
B)   indirect current
C)   direct current
D)   current that changes direction

Question 11

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 compensator

Question 12

Which of the following requires the greatest amount of resistance in the filament circuit?

Accepted Answer

A)   50 mA.
B)   100 mA.
C)   600 mA.
D)   1000 mA.

Question 13

A material that is strongly attracted to a magnetic field is

Accepted Answer

A)   nonmagnetic
B)   paramagnetic
C)   ferromagnetic
D)   diamagnetic

Question 14

The mA meter is found on the

Accepted Answer

A)   primary circuit
B)   secondary circuit
C)   filament circuit
D)   none of these

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

A circuit with elements that are arranged like a "bridge" or branching across a conductor is called a

Accepted Answer

A)   series circuit
B)   parallel circuit
C)   bridge circuit
D)   series-parallel circuit

Question 17

A material that will conduct electricity, but not as well as good conductors, but also will insulate, but not as well as good insulators are called a(n)

Accepted Answer

A)   excellent conductor
B)   weak conductor
C)   weak insulator
D)   semiconductor

Question 18

An electromagnet includes:

Accepted Answer

A)   a coil of wire
B)   an iron core
C)   a solenoid
D)   all of these

Question 19

Three-phase power has less than 1% ripple.

Accepted Answer

A) True 
 B)False

Question 20

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 induction

Exam 4: The X-Ray Circuit

A material that is strongly attracted to a magnetic field is

Correct AnswerverifiedShow Answer

Three-phase power has less than 1% ripple.

Correct AnswerverifiedShow Answer

The ampere is defined as ______ Coulomb passing by a point in ____ second.

Correct AnswerverifiedShow Answer

The ability of a material to attract iron, cobalt, or nickel is called

Correct AnswerverifiedShow Answer

The step-down transformer is found on the

Correct AnswerverifiedShow Answer

Which of the following requires the greatest amount of resistance in the filament circuit?

Correct AnswerverifiedShow Answer

Current that changes direction in the conductor is

Correct AnswerverifiedShow Answer

An electromagnet includes:

Correct AnswerverifiedShow Answer

A material that allows electrons to move is a(n)

Correct AnswerverifiedShow Answer

A battery produces

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

The primary purpose of the step-down transformer is to

Correct AnswerverifiedShow Answer

The _____________________ converts volts to kilovolts.

Correct AnswerverifiedShow Answer

A transformer with 100 times more turns on the secondary side as compared with the primary

Correct AnswerverifiedShow Answer

The only adjustable transformer in the x-ray circuit is the

Correct AnswerverifiedShow Answer

A circuit with elements that are arranged like a "bridge" or branching across a conductor is called a

Correct AnswerverifiedShow Answer

A material that will conduct electricity, but not as well as good conductors, but also will insulate, but not as well as good insulators are called a(n)

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The mA meter is found on the

Correct AnswerverifiedShow Answer

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The ampere is defined as __ Coulomb passing by a point in second.

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