Question

Define the physical quantity those unit is jc-1

Answer 1

Potential difference because it is defined as the work done by charge as we know that si unit of work is joule(J) & charge is(C) so the si unit is JC^-1

Answer 2

hey mate here is ur ans
the physical quantity mentioned here is potential difference shown as V
as we know V=W/Q
potential difference is defined as the amount of work done to carry unit positive charge from one point to another in a conductor

hope it helps you