Which of the following represents a $volt$
$Joule/second$
$Watt/Ampere$
$Watt/Coulomb$
$Coulomb/Joule$
Unit of Stefan's constant is
Unit of power is
The $SI$ unit of universal gas constant is
Which is international unit system ? Which are supplementary quantities ?
If $x = a/t + b/{t^2}+c,$, where $x$ is the distance travelled by the body in metres while $t$ is the time in seconds, then the units of $b$ are