Current

I

ampere

A

Voltage

U, V

volt

V

Charge

q

coulomb

C

Capacitance

C

farad

F

Inductance

L

henry

H

Energy

E

joule

J

(1 eV is the electron energy change caused by 1 volt acceleration (= 1.60 10 ^-19 J))

electron volt

eV

Resistance

R

ohm

?

Power

P

watt

W

Electric field

?

volt/metre

V m ^-1

Magnetic field

H

ampere/metre

A m ^-1

Electric flux density

D

coulomb/(metre) ²

C m ^-2

Magnetic flux density

B

tesla

T

Frequency

f

hertz

Hz

Wavelength

?

metre

m

Temperature

T

Kelvin

K

m

mass of electron

9.11 10 ^-31 kg

e

charge of electron

1.60 10 ^-19 C

e/m

charge/mass ratio of electron

1.76 10 ¹¹ C kg ^-1

m _p

mass of proton

1.67 10 ^-27 kg

h

Planck's constant

6.62 10 ^-34 J s

?

h/2 ?

1.05 10 ^-34 J s

N

Avogadro's number

6.02 10 ²⁶ molecules/kg mole

k

Boltzmann's constant

1.38 10 ^-23 J K ^-1

8.62 10 ^-5 eV K ^-1

kT

(at 293 K)

0.025 eV

4.05 10 ^-21 J

c

velocity of light

3.00 10 ⁸ m s ^-1

? ₀

permittivity of vacuum

8.85 10 ^-12 F m ^-1

?