physics
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| Organized and classified knowledge define which of the following? | show 🗑
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| What is the branch of science that deals with matter, energy and their relationship to each other? | show 🗑
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| show | density
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| show | radiologic physics
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| show | 5/9(F-32)
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| show | it will double
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| show | it will be 1/9
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| What devices converts chemical energy to electrical energy | show 🗑
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| a neutral atom that loses an orbital electron will have a | show 🗑
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| how many electrons are in the O shell of an atom | show 🗑
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| ___________ is anything which occupies space and has inertia | show 🗑
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| How many electrons can occupy the Q shell of an atom | show 🗑
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| an elementary positive particle with a mass of about 1.67x10-24g, describes the | show 🗑
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| isotopes differ in the number of | show 🗑
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| how many neutrons are in an isotope of lead that has an atomic number of 82 and a mass number of 210 | show 🗑
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| show | electrons and protons
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| show | 2n2
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| show | 8
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| show | Periodic Table
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| show | an ion
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| show | Bohr
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| show | protons, neutrons and electrons
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| matter is made up of indivisible and invisible particles called | show 🗑
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| what is the definition of energy | show 🗑
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| show | an object at rest will remain at rest unless acted on by an external force
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| what are two kinds of electrical charge | show 🗑
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| show | kinetic energy
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| what device converts chemical energy to mechanical energy | show 🗑
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| show | atom
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| show | negatively, 0.000548
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| show | valence
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| the type of bonding that involves the sharing of electrons is called | show 🗑
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| what is the smallest subdivision of a substance | show 🗑
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| show | binding energy
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| a neutral atom that loses an electron by ionization is termed a | show 🗑
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| the highest bonding energy of an atom is found in the electrons _________ level | show 🗑
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| an electrical charge can be neutralized if it is conducted to | show 🗑
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| what are three methods of electrification | show 🗑
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| show | conductor
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| in the law of conservation of energy, energy | show 🗑
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| show | the external surface
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| what is the electrical property of copper | show 🗑
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| show | ionic
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| show | inhibit the movement of electric charge
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| show | exposure of matter to xrays and gamma rays
exposure of matter to a stream of electrons
spontaneous decay of radionuclides
exposure of certain chemicals to light
chemical ionization
thermionic emission
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| Eight forms of energy are | show 🗑
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| show | energy can neither be created or destroyed but can transform from one form to another
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| the flow of electrons is known as | show 🗑
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| show | ampere
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| which creates the most electrical resistance | show 🗑
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| show | ohm
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| show | watt
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| show | P=I2R
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| what are the two poles of the magnet called | show 🗑
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| show | flux
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| what are the materials that are WEAKLY ATTRACTED to a magnet | show 🗑
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| show | retentivity
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| how are the north poles of the two magnets going to affect each other | show 🗑
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| show | diamagnetic
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| materials that are easily magnetized and demagnetized are said to have high | show 🗑
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| what moves in a conductor | show 🗑
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| show | ferromagnetic
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| what unit is used to measure potential difference | show 🗑
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| what effect does high temperature have on resistance | show 🗑
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| show | the speed of which a conductor cuts the magnetic lines of force
the strength of the magnetic field
the angle between the conductor and direction of magnetic field
the number of turns of a conductor if its wound into a coil
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| show | helix
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| show | solenoid
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| show | electromagnet
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| electromagnetism | show 🗑
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| What are the swirling currents called that are induced in transformers and produce heat losses? | show 🗑
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| what type of transformer has more coils in the secondary than in the primary? | show 🗑
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| which of the following materials would make the best transformer core? | show 🗑
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| show | autotransformer
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| what type of transformer core is more widely used in radiographic equipment? | show 🗑
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| show | shell type
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| show | 20,000 turns on primary coil, 40,000 on secondary coil
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| tapping windings of the autotransformer to supply voltage to the step-up transformer is the purpose of which of these? | show 🗑
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| current loss in the core of a transformer due to changing of magnetic fields by the AC is? | show 🗑
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| what is the major reason for using alternating current? | show 🗑
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| show | lamination
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| loss of electrical power due to resistance of the coils in a transformer is called: | show 🗑
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| show | decreases
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| show | mutual induction
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| What is the principle reservoir for excess charges? | show 🗑
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| show | usually outer shell electrons move
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| show | concerns resting electric charges
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| the unit of electrostatic charge is the: | show 🗑
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| the principle electrostatic law states that: | show 🗑
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| show | the transfer of electrons
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| show | Planck's law
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| show | electrostatic charge exists
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| the unit of electrostatic force is | show 🗑
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| show | smallest unit of charge the coulumb
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| the unit of electric potential is the: | show 🗑
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| show | wood
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| show | resistance
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| show | wire decreases
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| when an electric current flows through a wire with resistance (R) energy is: | show 🗑
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| the energy of a bremsstrahlung photon is: | show 🗑
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| show | outermost
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| show | characteristic radiation
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| show | the force field of the nucleus
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| the energy of a characteristic photon is: | show 🗑
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| during a characteristic interaction, the energy of the incident electron must be ______ the electron it knocks from its orbits | show 🗑
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| show | characteristic
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| show | an inner shell electron
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| in the compton effect, the incident photon loses energy by striking a/an | show 🗑
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| show | unmodified scattering
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| show | bremsstrahlung
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| show | pair production
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| show | no transfer of energy upon collision
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| show | photoelectron, characteristic radiation, ionized atom
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| show | bremsstrahlung
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| show | characteristic radiation
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| in the diagnostic range, the majority of the x-ray photons produced in the x-ray tube result from the: | show 🗑
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| in an x-ray tube, the production of xrays results from a rapid deceleration of fast moving ______ in the target material | show 🗑
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| show | tube current and target material (NOT square of the kV)
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| show | photoelectric effect
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| which of the following primarily producces scatter radiation? | show 🗑
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| an electron from an outer shell moves to fill a vacancy by an inner shell electron. This process is known as ________ and __________ radiation is produced | show 🗑
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| __________ interactions occur only when the incident electron interacts with the force field of the nucleus | show 🗑
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| show | photoelectric effect
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| show | leakage radiation
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| what type of radiation is produced when a high-speed electron is decelerated as it approaches the nucleus of a target atom? | show 🗑
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| which of the following interactions of x-rays with matter is more likely to occur with an inner shell electron | show 🗑
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| show | heat
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| show | characteristic and bremsstrahlung
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| which of the following x-ray interaction with matter INHIBITS radiographic contrast? | show 🗑
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| show | pair production
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| at 60kVp, the primary beam consists primarily of which effect? | show 🗑
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| when gallium is added to silicon, it becomes a __________ type semi conductor | show 🗑
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| show | ionic
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| show | transformer
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| show | rectifiers
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| what type of wiring configurations are used in secondary coils of three-phase transformers: | show 🗑
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| show | voltage never drops to zero
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| show | impedence
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| show | p-type
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| show | 13% and 3.5% ripple
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| the spinning top test can be used to determine the accuracy of which of the following? | show 🗑
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| show | half-wave
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| an electric current that continually changes direction is know as what type of current | show 🗑
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| which of the following circuit devices must be connected in parallel | show 🗑
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| a 3-phase 6 pulse unit has an effective kv of about _____ of the peak kVp | show 🗑
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| what describes the best electrical properties of silicon | show 🗑
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| with single phase equipment, the voltage across the x-ray tube: | show 🗑
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| show | retentivity
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| what converts chemical energy to electrical energy? | show 🗑
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| silicon, with an excessive number of electrons, is referred to as what type of semiconductor? | show 🗑
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| show | volt
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| show | mutual induction
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| what is a device called that measures electrical current? | show 🗑
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| what is the simplest type of rectification? | show 🗑
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| 3 phase current consist of three single phase voltage waveforms separated by: | show 🗑
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| in modern x-ray equipment, the device most often used for current rectification is a/an | show 🗑
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| what would NOT be located in the primary side of the x-ray circuit? | show 🗑
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| what is NOT a device for controlling filament? | show 🗑
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| where in the x-ray circuit is the timer located? | show 🗑
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| show | can achieve shorter exposure times
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| show | rheostat
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| show | mA meter
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| show | pulsating direct current
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| show | controls the quantity
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| what is the current indicated by the millianmeter? | show 🗑
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| where is the rectification circuit located in an xray unit? | show 🗑
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| show | overheating of the filament
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| show | induction
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| show | cathode
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| what will produce the least load on an x-ray tube | show 🗑
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| what is required of a target material in an x-ray tube?ing point | show 🗑
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| show | kV
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