Rank the electrostatic potential energies for the given system of charges in increasing order ……….. .

Options

A. `1=4 lt 2 lt 3`
B. `2=4 lt 3 lt1`
C. `2=3 lt 1 lt 4`
D. `3 lt 1 lt 2 lt 4`

Answer

A

Explanation

`U = 1/(4piepsilon_0)(-Q^2/r)` …(1)
`U = 1/(4piepsilon_0)(Q^2/r)` …(2)
`U = 1/(4piepsilon_0)(2Q^2)/r` …(3)
`U = 1/(4piepsilon_0)[-Q^2/r]` …(4)
From the value `1=4 lt 2 lt 3`