Answer :
Solution and Explanation:
[tex]\mathrm{e} / \mathrm{m}=8 \mathrm{B}-2 * \mathrm{Vd}-2[/tex]
the given function is :
In order to find B we used I mean in the question they have used some constants
The correct answer would be - it is not a constant value
It has consistently increased the diameter and the vice versa happens'
so, therefore, it is not at all a constant . when you undergo proof of this you can clearly know that it is not a constant.