Image production

Question 1

Has form or shape and occupies space

Answer 1

Matter

Question 2

Amount of matter in an object

Answer 2

Mass

Question 3

Ability to do work

Answer 3

Energy

Question 4

Energy of position

Answer 4

Potential energy

Question 5

Energy of motion

Answer 5

Kinetic energy

Question 6

Force applied on an object over a distance

Answer 6

Work

Question 7

Rate of doing work (watts)

Answer 7

Power

Question 8

Contains protons and neutrons

Answer 8

Atomic nucleus

Question 9

Number of protons plus number of neutrons

Answer 9

Atomic mass

Question 10

Equals the number of protons in the nucleus

Answer 10

Atomic number of an atom

Question 11

Atoms with the same numbers of protons but with a different number of neutrons

Answer 11

Isotopes

Question 12

Force that holds electrons in orbit around the nucleus

Answer 12

Electron binding energy

Question 13

Outer shell of an atom may not contain more than eight electrons

Answer 13

Octet rule

Question 14

Smallest amount of any type of electromagnetic radiation

Answer 14

Photon

Question 15

Waves of electromagnetic radiation, wave height is called

Answer 15

Amplitude

Question 16

Distance btw the peaks of waves is

Answer 16

Wavelengths

Question 17

Number of wavelengths

Answer 17

Frequency

Question 18

Static electricity

Answer 18

Electrostatics

Question 19

Movement of electrons btw objects

Answer 19

Electrification

Question 20

Unlike charges attract and like charges repel

Answer 20

Laws of electrostatics

Question 21

Methods of electrifications

Answer 21

Friction contact and induction

Question 22

Material that allows the free flow of electrons

Answer 22

Conductor

Question 23

Object that prohibits the flow of electrons

Answer 23

Insulator

Question 24

Movement of electrons along a conductor / circuit measured in amps

Answer 24

Electrical current

Question 25

Measured in volts ; the force with which electrons move in an electrical circuit

Answer 25

Electromotive force

Question 26

Electrical charges in motions

Answer 26

Electrodynamics

Question 27

Material that may act as an insulator or conductor under different conditions

Answer 27

Semiconductor

Question 28

Measured in ohms

Answer 28

Electrical resistance

Question 29

Voltage in the circuit is equal to the current x resistance

Answer 29

Ohms law

Question 30

Path along which electrons flow series or parallel

Answer 30

Electrical circuits

Question 31

Electrical circuit in which the current of electrons oscillates back and forth

Answer 31

AC alternating current

Question 32

Unidirectional flow of electrons in the electrical conductor

Answer 32

DC direct current

Question 33

Energy field surrounding an electrical charge in motion; can magnetize a ferromagnetic material, such as iron if the material is placed in the magnetic field magnetic field

Answer 33

Magnetic field

Question 34

stacks of wire coil through which electrical current flows; creating overlapping force field lines

Answer 34

solenoid

Question 35

opposing voltage created in a conductor by passing alternating current through it

Answer 35

self-induction

Question 36

inducing current flow in a secondary coil by varying the current flow through a primary coil

Answer 36

mutual induction

Question 37

device that converts mechanical energy into electrical energy

Answer 37

generator

Question 38

simplest type of current; voltage flows as a sine wave; voltage begins at zero; peaks at full value at the crest of the wave, returns to zero and goes back

Answer 38

single-phase, two pulse alternating current

Question 39

special wiring patterns used to create voltage waveforms that are placed 120 degrees out of phase with one another

Answer 39

three-phase alternating current

Question 40

device that converts electrical energy into machanical energy

Answer 40

motor

Question 41

changes electrical voltage and current into higher and lower values; the transformer operates on the principle of mutual induction; so it requires alternating current

Answer 41

transformer

Question 42

increases voltage from the primary to the secondary coil and decreases current in the same proportion; has more turns in the secondary than primary coil

Answer 42

step-up transformer

Question 43

decreases voltage from the primary to secondary coil and increases current in the same proportion; has more turns in the primary than secondary coil

Answer 43

step-down transformer

Question 44

contains an iron core and a single winding of wire; provides small increases in voltage before the step-up transformer

Answer 44

autotransformer

Question 45

process of changing alternating current to direct current

Answer 45

rectification

Question 46

when mAs increases?

Answer 46

receptor exposure increases

Question 47

when KVP increases?

Answer 47

receptor exposure increases | contrast decreases

Question 48

when SID increases?

Answer 48

receptor exposure decreases spatial resolution increases distortion decreases

Question 49

when OID increases?

Answer 49

receptor exposure decreases contrast increases spatial resolution decreases distortion increases

Question 50

when grid ratio increases?

Answer 50

receptor exposure decreases | contrast increases

Question 51

when collimation increases?

Answer 51

receptor exposure decreases | contrast increases

Question 52

when focal spot size increases?

Answer 52

spatial resolution decreases

Question 53

when central ray angle increases?

Answer 53

receptor exposure increases spatial resolution decreases distortion increases

Question 54

sharpness of the structural edges in the image; controlled by pixel size and pixel pitch influenced by SID, OID, focal-spot size and motion

Answer 54

spatial resolution