Question

derive R=pl/ A can you explain​

Answer 1

Physical features of india

The Himalayan Mountains. These mountain ranges run in a west-east direction from the Indus to the Brahmaputra. ...

The Northern Plains. ...

The Peninsular Plateau. ...

The Indian Desert. ...

Answer 2

Explanation:

you consider J=σE or ρJ=E as fundamental as well as V=IR, then we can derive the formula:

E=

L

V

, since we're considering uniform cuboid

J=

A

I

by definition

⟹

A

ρI

=

L

V

⟹V=I

A

ρL

Comparing with V=IR we get R=

A

ρL