暗記メーカー

暗記メーカー

​
ログイン
Imaging Equipment and Managment (1)
100問 • 5ヶ月前
  • polyyamyap
    • 通報

    問題一覧

  • 1

    This is the flow of charged particles

    electricity

  • 2

    the study of electric charge in stationary form

    electrostatic

  • 3

    the smallest units of an electric charge

    electron and proton

  • 4

    electric charge with proton and electron has the same ____ but ____ signs.

    magnitude; opposite

  • 5

    the atomic mass unit of an electron

    0.000549

  • 6

    the atomic mass unit of a proton

    1.00728

  • 7

    the atomic mass unit of a neutron

    1.00867

  • 8

    created when a proton and an electron interacts

    electric force

  • 9

    the small, dense center that has mass

    nucleus

  • 10

    discovered by Ernest Rutherford in 1911

    nucleus

  • 11

    has protons and neutrons

    nucleus

  • 12

    these are neutral because of number balance of proton and electron

    ordinary atom

  • 13

    created when electrons move from atom to atom

    ion

  • 14

    a positive charge that is formed when it losses or removed one or more electron

    cation

  • 15

    a negative charge that is formed when it gains or adds one or more electrons

    anion

  • 16

    the process of adding or removing electrons from a substance

    electrification

  • 17

    created when rubbing

    friction

  • 18

    this uses the electric field of a charged object to confer a charge on an uncharged object

    induction

  • 19

    a connection that causes the flow of electron

    contact

  • 20

    when an object has too many or too few electrons, it is said to be _____

    electrified

  • 21

    a huge reservoir for stray electric charges

    earth

  • 22

    an electric ground

    earth

  • 23

    this is electrically neutral

    matter

  • 24

    some types of atom has loosely bounded putwr shell electron and can be easily removed

    static electricity

  • 25

    the removal of this electron electrifies the substance from which they were removed

    static electricity

  • 26

    statement: positive electric charges move

    false

  • 27

    the transfer of electrons from one object to another causes the first to be ____ electrified and the second to be ____ electrified

    positively; negatively

  • 28

    statement: the electrostatic law states that negative charges can only move in solids

    true

  • 29

    directly proportional to product charges and inversely proportional to the square of distance between them

    Coulumb's Law

  • 30

    produced by electrical charge called electrical field

    force field

  • 31

    object is electrified and the electric charges are distributed throughout the object

    electric charge distribution

  • 32

    concentrated on the sharpest curvature of the surface

    electric charge concentration

  • 33

    also called as electromotive force

    electrostatic potential

  • 34

    higher voltage = greater potential to do work

    electrostatic potential

  • 35

    the study of an electric charge in motion

    electrodynamics

  • 36

    an example of this is electricity

    electrodynamics

  • 37

    no resistance to electron flow

    niobium

  • 38

    no electric potential require

    titanium

  • 39

    must be very cold

    titanium

  • 40

    variable resistance

    copper

  • 41

    obeys Ohm's Law and requires a voltage

    aluminum

  • 42

    can be conductive

    silicon

  • 43

    can be resistive

    germanium

  • 44

    basis for computers

    germanium

  • 45

    does not permit electron flow

    rubber

  • 46

    extremely high resistance

    glass

  • 47

    necessary with voltage

    glass

  • 48

    this has no resistance below criticsl temp

    superconductor

  • 49

    the material of this state are niobium and titanium

    superconductor

  • 50

    electron flows easily

    conductor

  • 51

    the materials of this state are copper and aluminum

    conductor

  • 52

    the material of this state are silicon and germanium

    semiconductor

  • 53

    behaves as an insulator and other as a conductor

    semiconductor

  • 54

    the material of this state are rubber and glass

    insulator

  • 55

    does not allow electron flow

    insulator

  • 56

    measured in Amperes

    electric circuits

  • 57

    inhibits electron flow

    resistor

  • 58

    provides electric potential

    battery

  • 59

    momentarily stores electric charge

    capacitor

  • 60

    increases or decreases voltage by fixed amount

    transformer

  • 61

    allows electeons to flow in only one direction

    diode

  • 62

    increases voltage; decreases current

    step up transformer

  • 63

    decreases voltage; increases current

    step down transformer

  • 64

    electron flow over a closed path

    electric circuit

  • 65

    measures the number of electron flowing in the electric circuit

    Ampere

  • 66

    electric potential measured

    volt

  • 67

    states that the voltage across the total circuit or any porrion of the current is equal to the current tmes the resistance

    Ohm's Law

  • 68

    opposition to the flow of electric current producing heat

    resistance

  • 69

    good conductors have ___

    low resistance

  • 70

    Which among the follwong influences resistance: 1. material of wire 2. thickness 3. length 4. temperature

    1, 2, 3, and 4

  • 71

    a variable resistor

    rheostat

  • 72

    measures electric current

    ammeter

  • 73

    turns circuit on and off by providing infinite resistance

    switch

  • 74

    electronic switch that can also amplify signals

    transistor

  • 75

    all circuit elements are connected in a line along the same conductor

    series

  • 76

    contains elements that are connected at their ends rather than lying in a line along a conductor

    parallel

  • 77

    measured in watts

    electric power

  • 78

    a household appliances has how many watts?

    500 to 1500 W

  • 79

    a light bulb has ___ W

    30 to 150

  • 80

    an x-ray has ___ kW

    20 to 150 kW

  • 81

    dicovered during 1000 BC

    magnetism

  • 82

    discovered in Magnesia (Western Turkey)

    Magnesia

  • 83

    polarization of a material

    magnetism

  • 84

    difficult to understannd, detect, and measure

    magnetism

  • 85

    an oxide of iron (Fe304)

    magnetite

  • 86

    attracts iron fillings

    lodestone

  • 87

    used as a compass pointed north pole

    magnetite

  • 88

    material that produced magnetic field

    magnet

  • 89

    magnet have two poles

    dipole/bipolar

  • 90

    ends of a magnet

    poles

  • 91

    imaginary magnetic field lines

    magnetic field of induction

  • 92

    theorized that 1 million billion of atoms makes up a single dipole

    domain theory of magnetism

  • 93

    magnetic dipoles are randoy areanged, essentially cancelling out each other

    nonmagnetic object

  • 94

    external force field has the time or strength to orient enough of the dipoles in the same direction

    magnet

  • 95

    flow through magnet and outside magnetic material, forming a 3D field surrounding the magnet

    lines of force

  • 96

    stronger magnetic force = more lines of flux

    lines of flux

  • 97

    any charged particle in motion

    magnetic field

  • 98

    lines of force always flow from north to south ____ and south to north _____

    outside; inside

  • 99

    SI unit =

    Weber (Wb)

  • 100

    a German physicist who proposed the basic theory of magnetism

    Wilhelm Weber

    • Imaging Equipment and Management (2)

    Imaging Equipment and Management (2)

    polyyamyap · 100問 · 5ヶ月前

    Imaging Equipment and Management (2)

    Imaging Equipment and Management (2)

    100問 • 5ヶ月前
    polyyamyap

    Imaging Equiment and Maintenance (3)

    Imaging Equiment and Maintenance (3)

    polyyamyap · 52問 · 5ヶ月前

    Imaging Equiment and Maintenance (3)

    Imaging Equiment and Maintenance (3)

    52問 • 5ヶ月前
    polyyamyap

    SET 1

    SET 1

    polyyamyap · 100問 · 5ヶ月前

    SET 1

    SET 1

    100問 • 5ヶ月前
    polyyamyap

    SET 2

    SET 2

    polyyamyap · 12問 · 5ヶ月前

    SET 2

    SET 2

    12問 • 5ヶ月前
    polyyamyap

    SET 3

    SET 3

    polyyamyap · 56問 · 5ヶ月前

    SET 3

    SET 3

    56問 • 5ヶ月前
    polyyamyap

    CRDR

    CRDR

    polyyamyap · 50問 · 5ヶ月前

    CRDR

    CRDR

    50問 • 5ヶ月前
    polyyamyap

    Radiation Biology (1)

    Radiation Biology (1)

    polyyamyap · 100問 · 5ヶ月前

    Radiation Biology (1)

    Radiation Biology (1)

    100問 • 5ヶ月前
    polyyamyap

    Radiation Biology (2)

    Radiation Biology (2)

    polyyamyap · 25問 · 5ヶ月前

    Radiation Biology (2)

    Radiation Biology (2)

    25問 • 5ヶ月前
    polyyamyap

    Film Screen Image Acquisition Processing & Image Analysis

    Film Screen Image Acquisition Processing & Image Analysis

    polyyamyap · 55問 · 5ヶ月前

    Film Screen Image Acquisition Processing & Image Analysis

    Film Screen Image Acquisition Processing & Image Analysis

    55問 • 5ヶ月前
    polyyamyap

    Radiologic Pathology

    Radiologic Pathology

    polyyamyap · 52問 · 5ヶ月前

    Radiologic Pathology

    Radiologic Pathology

    52問 • 5ヶ月前
    polyyamyap

    IR

    IR

    polyyamyap · 33問 · 4ヶ月前

    IR

    IR

    33問 • 4ヶ月前
    polyyamyap

    Ethics and Jurisprudence

    Ethics and Jurisprudence

    polyyamyap · 15問 · 4ヶ月前

    Ethics and Jurisprudence

    Ethics and Jurisprudence

    15問 • 4ヶ月前
    polyyamyap

    CT

    CT

    polyyamyap · 5問 · 4ヶ月前

    CT

    CT

    5問 • 4ヶ月前
    polyyamyap

    Practice Test 1

    Practice Test 1

    polyyamyap · 50問 · 3ヶ月前

    Practice Test 1

    Practice Test 1

    50問 • 3ヶ月前
    polyyamyap

    問題一覧

  • 1

    This is the flow of charged particles

    electricity

  • 2

    the study of electric charge in stationary form

    electrostatic

  • 3

    the smallest units of an electric charge

    electron and proton

  • 4

    electric charge with proton and electron has the same ____ but ____ signs.

    magnitude; opposite

  • 5

    the atomic mass unit of an electron

    0.000549

  • 6

    the atomic mass unit of a proton

    1.00728

  • 7

    the atomic mass unit of a neutron

    1.00867

  • 8

    created when a proton and an electron interacts

    electric force

  • 9

    the small, dense center that has mass

    nucleus

  • 10

    discovered by Ernest Rutherford in 1911

    nucleus

  • 11

    has protons and neutrons

    nucleus

  • 12

    these are neutral because of number balance of proton and electron

    ordinary atom

  • 13

    created when electrons move from atom to atom

    ion

  • 14

    a positive charge that is formed when it losses or removed one or more electron

    cation

  • 15

    a negative charge that is formed when it gains or adds one or more electrons

    anion

  • 16

    the process of adding or removing electrons from a substance

    electrification

  • 17

    created when rubbing

    friction

  • 18

    this uses the electric field of a charged object to confer a charge on an uncharged object

    induction

  • 19

    a connection that causes the flow of electron

    contact

  • 20

    when an object has too many or too few electrons, it is said to be _____

    electrified

  • 21

    a huge reservoir for stray electric charges

    earth

  • 22

    an electric ground

    earth

  • 23

    this is electrically neutral

    matter

  • 24

    some types of atom has loosely bounded putwr shell electron and can be easily removed

    static electricity

  • 25

    the removal of this electron electrifies the substance from which they were removed

    static electricity

  • 26

    statement: positive electric charges move

    false

  • 27

    the transfer of electrons from one object to another causes the first to be ____ electrified and the second to be ____ electrified

    positively; negatively

  • 28

    statement: the electrostatic law states that negative charges can only move in solids

    true

  • 29

    directly proportional to product charges and inversely proportional to the square of distance between them

    Coulumb's Law

  • 30

    produced by electrical charge called electrical field

    force field

  • 31

    object is electrified and the electric charges are distributed throughout the object

    electric charge distribution

  • 32

    concentrated on the sharpest curvature of the surface

    electric charge concentration

  • 33

    also called as electromotive force

    electrostatic potential

  • 34

    higher voltage = greater potential to do work

    electrostatic potential

  • 35

    the study of an electric charge in motion

    electrodynamics

  • 36

    an example of this is electricity

    electrodynamics

  • 37

    no resistance to electron flow

    niobium

  • 38

    no electric potential require

    titanium

  • 39

    must be very cold

    titanium

  • 40

    variable resistance

    copper

  • 41

    obeys Ohm's Law and requires a voltage

    aluminum

  • 42

    can be conductive

    silicon

  • 43

    can be resistive

    germanium

  • 44

    basis for computers

    germanium

  • 45

    does not permit electron flow

    rubber

  • 46

    extremely high resistance

    glass

  • 47

    necessary with voltage

    glass

  • 48

    this has no resistance below criticsl temp

    superconductor

  • 49

    the material of this state are niobium and titanium

    superconductor

  • 50

    electron flows easily

    conductor

  • 51

    the materials of this state are copper and aluminum

    conductor

  • 52

    the material of this state are silicon and germanium

    semiconductor

  • 53

    behaves as an insulator and other as a conductor

    semiconductor

  • 54

    the material of this state are rubber and glass

    insulator

  • 55

    does not allow electron flow

    insulator

  • 56

    measured in Amperes

    electric circuits

  • 57

    inhibits electron flow

    resistor

  • 58

    provides electric potential

    battery

  • 59

    momentarily stores electric charge

    capacitor

  • 60

    increases or decreases voltage by fixed amount

    transformer

  • 61

    allows electeons to flow in only one direction

    diode

  • 62

    increases voltage; decreases current

    step up transformer

  • 63

    decreases voltage; increases current

    step down transformer

  • 64

    electron flow over a closed path

    electric circuit

  • 65

    measures the number of electron flowing in the electric circuit

    Ampere

  • 66

    electric potential measured

    volt

  • 67

    states that the voltage across the total circuit or any porrion of the current is equal to the current tmes the resistance

    Ohm's Law

  • 68

    opposition to the flow of electric current producing heat

    resistance

  • 69

    good conductors have ___

    low resistance

  • 70

    Which among the follwong influences resistance: 1. material of wire 2. thickness 3. length 4. temperature

    1, 2, 3, and 4

  • 71

    a variable resistor

    rheostat

  • 72

    measures electric current

    ammeter

  • 73

    turns circuit on and off by providing infinite resistance

    switch

  • 74

    electronic switch that can also amplify signals

    transistor

  • 75

    all circuit elements are connected in a line along the same conductor

    series

  • 76

    contains elements that are connected at their ends rather than lying in a line along a conductor

    parallel

  • 77

    measured in watts

    electric power

  • 78

    a household appliances has how many watts?

    500 to 1500 W

  • 79

    a light bulb has ___ W

    30 to 150

  • 80

    an x-ray has ___ kW

    20 to 150 kW

  • 81

    dicovered during 1000 BC

    magnetism

  • 82

    discovered in Magnesia (Western Turkey)

    Magnesia

  • 83

    polarization of a material

    magnetism

  • 84

    difficult to understannd, detect, and measure

    magnetism

  • 85

    an oxide of iron (Fe304)

    magnetite

  • 86

    attracts iron fillings

    lodestone

  • 87

    used as a compass pointed north pole

    magnetite

  • 88

    material that produced magnetic field

    magnet

  • 89

    magnet have two poles

    dipole/bipolar

  • 90

    ends of a magnet

    poles

  • 91

    imaginary magnetic field lines

    magnetic field of induction

  • 92

    theorized that 1 million billion of atoms makes up a single dipole

    domain theory of magnetism

  • 93

    magnetic dipoles are randoy areanged, essentially cancelling out each other

    nonmagnetic object

  • 94

    external force field has the time or strength to orient enough of the dipoles in the same direction

    magnet

  • 95

    flow through magnet and outside magnetic material, forming a 3D field surrounding the magnet

    lines of force

  • 96

    stronger magnetic force = more lines of flux

    lines of flux

  • 97

    any charged particle in motion

    magnetic field

  • 98

    lines of force always flow from north to south ____ and south to north _____

    outside; inside

  • 99

    SI unit =

    Weber (Wb)

  • 100

    a German physicist who proposed the basic theory of magnetism

    Wilhelm Weber