The resistors in graphs (a) and (b) are non-ohmic and ohmic, respectively.
The I-V graph for (a) is a curve, but the I-V graph for (b) is a straight line or linear.
The resistors in graphs (a) and (b) are non-ohmic and ohmic, respectively.
The I-V graph for (a) is a curve, but the I-V graph for (b) is a straight line or linear.