Rad Units
The SI unit of measure of power
What is a joule
A term that encompasses all the components of the nucleus
What are nucleons
EMR travels at this velocity
What is the speed of light (3 x 10^8 m/s)
1 coulomb of charge flowing per second is this
The x-ray tube filament is made of
What is Tungsten (thoriated tungsten)
The traditional unit for radioactivity
What is a Curie
The number of electrons in the valence shell
What is 8
A radio wave has a ___ wavelength
What is long
This operates on the principle of self-induction
What is an autotransformer
Changing AC current to DC in the x-ray circuit is called this.
What is rectification
Occupational dose is measure in this
Sieverts
The horizontal row in the periodic table is also called this
The only EMR that humans can see
What is visible light
The SI unit of magnetism
What is Gauss
The filament must be at least ___ degrees C for thermionic emission to occur
What is 2200
The SI unit that quantifies the biological effect of absorbed radiation on humans
What is a gray
Elements in the same column in the periodic table share this factor
What is the same number of electrons in the outer shell
The relationship between EMR wavelength and energy
What is inversely proportional
An electrical current is made up of these
What are moving electrons
Leakage radiation must be limited to this in an x-ray tube
What is 1 mGy per hour at 1 meter
Equivalent to 2.58 x 10^4 C/kg
What is a Roentgen
An alpha particle has this charge
As EMR frequency increases, energy does this
The device used to control filament current in the x-ray circuit
What is a rheostat (or variable resistor)
The filament transformer has more turns on this side
What is the primary side