A hypothetical equation is given as $\rho = a \sqrt{P} + bT^2$, where $\rho$ is density, $P$ is pressure, and $T$ is temperature. The dimensions of $\frac{a}{b}$ are:

Which relation is wrong

Which of the following is not equal to watt

The unit of surface tension in SI system is

The dimensions of calorie are

Which of the following system of units is not based on units of mass, length and time alone

Which of the following physical quantities has neither dimensions nor unit?

If the equation $P = \frac{F}{A}$ is dimensionally homogeneous, where $P$ is pressure, $F$ is force, and $A$ is area, what are the dimensions of pressure?

If $x = a + bt^2$, where $x$ is in meters and $t$ is in seconds, what are the dimensions of $b$?

Henry/ohm can be expressed in

The unit of self inductance of a coil is