Question

a straight wire carrying current in vertically upward direction is placed in a uniform magnetic field directed towards north.the magnetic force acting on the wire is towards.?

Answer 1

Due West is the answer...

all the best

Answer 2

Answer:

The relative density being pure ratio do not have any unit and so do not have any dimensional formula either.

Explanation:

The dimensional formula is derived over the property of virtue of its existence and co-dependence upon other properties, which is as follows –

Given is the relative density which is pure form of ratio of an object which has a density of its own and is ratio with water density.

As we know that relative density is ratio of density of substance to density of water. We have –

Relative density = density of substance / density of water

$\begin{array}{ll}{\Rightarrow} & {R . D .=\frac{D s}{D w}} \\ {\Rightarrow} & {R . D .=\frac{k g m^{-3}}{k g m^{-3}}}\end{array}$

R. D. = 1

Therefore, the relative density being pure ratio do not have any unit and so do not have any dimensional formula either.