Question

define resistance and connectivity?

Answer 1

Resistance- Resistance is the opposition that a substance offers to the flow of electric current.  It is represented by the uppercase letter R.  The standard unit of resistance is the ohm.
Connectivity-Connectivity means an substance that a allow the flow the electric current.

Answer 2

Resistance:Resistance is the opposition that a substance offers to the flow of electric current.  It is represented by the uppercase letter R.  The standard unit of resistance is the ohm, sometimes written out as a word, and sometimes symbolized by the uppercase Greek letter omega.