$\left[ {{{\rm{M}}^2}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}} \right]$

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 2}}} \right]$

$\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}} \right]$

$\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 1}}} \right]$

$\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}{{\rm{A}}^{ - 2}}} \right]$

$\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}{{\rm{A}}^{ - 1}}} \right]$

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 2}}{{\rm{A}}^{ - 2}}} \right]{\rm{\;}}$

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 2}}{{\rm{A}}^{ - 1}}} \right]{\rm{\;}}$

h/e

${h^2}/e$

$h/{e^2}$

${h^2}{e^2}$

$\left[ {{M^1}{L^2}{T^{ - 2}}} \right]$

$\left[ {{M^1}{L^1}{T^{ - 2}}} \right]$

$\left[ {{M^1}{L^{ - 1}}{T^{ - 2}}\;} \right]$

$\left[ {{M^1}{L^{ - 2}}{T^{ - 2}}} \right]$

Pressure and stress

Stress and strain

Pressure and force

Power and force

Force and strain

Force and stress

Angular velocity and frequency

Energy and strain

Joule/second

Watt/ampere

Watt/coulomb

Coulomb/joule

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 2}}} \right]$

$\left[ {{{\rm{M}}^0}{{\rm{L}}^0}{{\rm{T}}^0}{{\rm{heta }}^{ - 1}}} \right]$

Dimensionless

None of these

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 1}}} \right]$

$\left[ {{{\rm{M}}^0}{\rm{LT}}} \right]$

$\left[ {{{\rm{M}}^0}{{\rm{L}}^0}{\rm{T}}} \right]$

None of these

$\frac{1}{{\sqrt {RC} }}$

$\frac{R}{L}$

$\frac{1}{{LC}}$

$\frac{C}{L}$

0.01 km

0.1 km

1 km

0.001 km