Dimensions of magnetic field intensity is
$[{M^0}{L^{ - 1}}{T^0}{A^1}]$
$[ML{T^{ - 1}}{A^{ - 1}}]$
$[M{L^0}{T^{ - 2}}{A^{ - 1}}]$
$[ML{T^{ - 2}}A]$
The dimensions of power are
Dimensional formula for torque is
Given that $v$ is speed, $r$ is the radius and $g$ is the acceleration due to gravity. Which of the following is dimensionless
The force $F$ on a sphere of radius $'a'$ moving in a medium with velocity $'v'$ is given by $F = 6\pi \eta av$. The dimensions of $\eta $ are
Which of the following dimensions will be the same as that of time?