Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
If electronic charge
e
e
e
, electron mass
m
m
m
, speed of light in vacuum
c
c
c
and Planck's constant
h
h
h
are taken as fundamental quantities, the permeability of vacuum
μ
0
\mu_0
μ
0
can be expressed in units of: a.
(
h
m
e
2
)
\left(\frac{h}{me^2}\right)
(
m
e
2
h
)
b.
(
h
c
m
e
2
)
\left(\frac{hc}{me^2}\right)
(
m
e
2
h
c
)
c.
(
h
c
e
2
)
\left(\frac{h}{ce^2}\right)
(
c
e
2
h
)
d.
(
m
c
2
h
e
2
)
\left(\frac{mc^2}{he^2}\right)
(
h
e
2
m
c
2
)
Browse the problem library