First slide

Ohm's law

Question

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

Easy

A

(2/3) $Ω$
B

(3/4) $Ω$
C

(1/2) $Ω$
D

1 $Ω$

Solution

$R = \frac{∆ V}{∆ l} = \frac{3 - 2}{4 - 3} = 1 Ω$

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