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

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

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

None of these

Sec

$Se{c^{ - 1}}$

Volt

Ampere

[A]

[A T]

[M L T⁻²]

[M L² T⁻³ A⁻¹]

W-s

kg–m/sec

N-m

Joule

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

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

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

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

Stress and pressure

Angle and strain

Tension and surface tension

Planck’s constant and angular momentum

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

$\left[ {{{\rm{M}}^{ - 1}}{{\rm{L}}^3}{{\rm{T}}^2}{\rm{A}}} \right]$

$\left[ {{\rm{M}}{{\rm{L}}^3}{{\rm{T}}^{ - 4}}{{\rm{A}}^{ - 2}}} \right]$

$\left[ {{{\rm{M}}^{ - 1}}{{\rm{L}}^{ - 3}}{{\rm{T}}^4}} \right]$

${\rm{m}}{{\rm{s}}^{ - 1}}$

${{\rm{m}}^2}{{\rm{s}}^{ - 2}}$

${{\rm{s}}^2}{{\rm{m}}^{ - 2}}$

${\rm{s}}{{\rm{m}}^{ - 1}}$

20 mg

200 mg

2000 mg

0.002 mg

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

$M{L^0}{T^{ - 2}}{A^{ - 2}}$

${M^0}{L^{ - 2}}{T^{ - 2}}{A^{ - 3}}$

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

${{\rm{C}}^{ - 2}}{\rm{N}}{{\rm{m}}^2}$

${{\rm{C}}^2}{{\rm{N}}^{ - 1}}{{\rm{m}}^{ - 2}}$

${{\rm{C}}^2}{\rm{N}}{{\rm{m}}^2}$

${{\rm{C}}^{ - 2}}{{\rm{N}}^{ - 1}}{{\rm{m}}^{ - 2}}$