SI Units Flashcards
1
Q
SI unit for energy
A
Joules(J)
•In Radiography energy is usually measured in eV as it’s easier to deal with
2
Q
SI unit for charge
A
Coulomb
3
Q
SI unit for work
A
Joules (J)
4
Q
SI unit for radioactivity
A
Becquerel
5
Q
Electrical potential and potential difference SI
A
Joules per coulomb (JC-1)
Known as volt
6
Q
Dose
A
Joules per kg (Jkg-1)
7
Q
Absorbed dose
A
Energy absorbed into a particular tissue grays (Gy)
8
Q
Equivalent dose
A
Takes into account the type of radiation- sieverts (Sv)
9
Q
Effective dose
A
Overall risk to the individual (Sv)
10
Q
Power
A
Watts (w) one watt is 1 joules per second
11
Q
Current and electrical current
A
Ampere (A)
12
Q
Force
A
Newton’s
13
Q
Magnetic Flux density
A
Tesla (t)
14
Q
Luminous intensity
A
•coulombs per square meter
15
Q
Area
A
Meters squared
16
Q
SI unit on capacitance
A
Farad
17
Q
Radiation exposure
A
Coulombs per kg
