Question

Dimensions of ‘resistance’ are same as (where h is Planck's constant and e is charge):

Options

• `"h"/"e"`

• `"h"^2/"e"`

• `"h"/"e"^2`

• `"h"^2/"e"^2`

Answer 1

`"h"/"e"^2`

Explanation:

`"h"/"e"^2 = ("ML"^2"T"^-1)/("AT")^2` = ML²T⁻³A⁻² = Resistance (ohm)