Lorentx force can be calculated by using the formula.

EAN is calculated by using the formula

% efficiency can be calculated using the formula

In L - R circuit, for the case of increasing current, the magnitude of current can be calculated by using the formula

Effective nuclear charge (Z*) can be calculated by using the formula

Effective nuclear charge (Z*) can be calculated by using the formula

If the speed of light in air is represented by c and the speed in a medium is v, then the refractive index of the medium can be calculated using the formula

Percentange ionisation of weak acid can be calculated using the formula:

The limiting molar conductivity of weak electrolyte can be calculated by using the law.

The molar mass of the solute using depression of freezing point may be calculated using the formula ,_______.