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

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

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

None of these

A natural unit system where certain fundamental constants are set to 1

SI units

CGS units

MKS units

Sec

$Se{c^{ - 1}}$

Volt

Ampere

${A^2}{T^2}{M^{ - 1}}{L^{ - 3}}$

${A^2}{T^4}{M^{ - 1}}{L^{ - 3}}$

${A^{ - 2}}{T^{ - 4}}M{L^3}$

${A^2}{T^{ - 4}}{M^{ - 1}}{L^{ - 3}}$

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

$\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{{\rm{T}}^{ - 4}}} \right]$

$\left[ {{{\rm{M}}^0}{\rm{L}}{{\rm{T}}^{ - 3}}} \right]$

$\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{{\rm{T}}^{ - 1}}} \right]$

Angular momentum and Planck’s constant

Impulse and momentum

Moment of inertia and moment of a force

Work and torque

8 kg/$m^3$

80 kg/$m^3$

800 kg/$m^3$

8000 kg/$m^3$

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

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

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

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

${c^2}{\left[ {G\frac{{{e^2}}}{{4\pi {\varepsilon _0}}}} \right]^{1/2}}$

$\frac{1}{{{c^2}}}{\left[ {\frac{{{e^2}}}{{G4\pi {\varepsilon _0}}}} \right]^{1/2}}$

$\frac{1}{c}G\frac{{{e^2}}}{{4\pi {\varepsilon _0}}}$

$\frac{1}{{{c^2}}}{\left[ {G\frac{{{e^2}}}{{4\pi {\varepsilon _0}}}} \right]^{1/2}}$

J

${\rm{Jk}}{{\rm{g}}^{ - 1}}$

${\rm{Jkg}}$

${\rm{Jk}}{{\rm{g}}^2}$

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

$\left[ {{\rm{M}}{{\rm{L}}^{ - 3}}{{\rm{T}}_2}} \right]$

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

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