Q. Resistance as shown in figure is negative at

A) $A$
B) $B$
C) $C$
D) None of these
Explanation

(a) At point $A$ the slope of the graph will be negative. Hence resistance is negative

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.