A) 1 W
B) 0.25 W
C) 0.5 W
D) 5 W
Correct Answer: B
Solution :
The current at 2V is 400 mA and at 2.1 V it is 800 mA. The dynamic resistance in this region \[R=\frac{\Delta V}{\Delta i}=\frac{(2.1-2)}{(800-400)\times {{10}^{-3}}}=\frac{1}{4}=0.25\Omega \]You need to login to perform this action.
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