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Questions  

The Fig. 4.58 represents the V-I characteristics of a circuit element. The dynamic resistance in the region AB is :

a
(2/3) Ω
b
(3/4) Ω
c
(1/2) Ω
d
1 Ω

detailed solution

Correct option is D

R=∆V∆l=3-24-3=1 Ω

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