Which of the following is not equal to watt
Joule/second
Ampere $ \times $ volt
(Ampere)$^{2}$ $ \times $ ohm
Ampere/volt
$'Torr'$ is the unit of
The unit of surface tension in $SI$ system is
What is unit system ? Write different types of system of units.
The units of modulus of rigidity are
Which of the following system of units is not based on units of mass, length and time alone