Is the scale on your ohmmeter,linear or non linear,give example to support answer?

Question

it is about my laboratory class

Answer 1

If it is a passive ohmeter, then the ohms scale is non-linear.  This is because the resistance is measured by applying a fixed voltage to the resistor and measuring the current.  Since I = V/R, the current/resistance relation is non-linear.

Electronic ohmeters can have linear scales since they use a current source to send a small current through the resistor and measure the voltage.  Sine V = I*R, the scale is linear.