Question

i) Define Electrical resistance.

ii) Write its mathematical expression?

iii) State its S.I unit.

iv) Is resistance is a scalar or vector quantity.​

Answer 1

Answer:

Resistance is a measure of the opposition to current flow in an electrical circuit.v=IR is the mathematical expression. ohm is the s.i unit. resistance is a scalar quantity

Answer 2

The effeсt оn the rаte оf flоw оf сurrent by the wire is саlled its eleсtriсаl resistаnсe. Its S.I unit is the оhm.