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Q.

The V-I characteristics of a silicon diode are shown in the figure. Calculate the resistance of the diode at I_D = 15 mA.

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a

$10 Ω$

b

$15 Ω$

c

$150 Ω$

d

$50 Ω$

answer is A.

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Detailed Solution

$R = \frac{Δ V}{Δ I} = \frac{0.1}{10 \times 10^{- 3}} = 10 Ω$

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