A) 10\[k\Omega \]
B) 11\[k\Omega \]
C) 15\[k\Omega \]
D) 11.1\[k\Omega \]
Correct Answer: D
Solution :
\[\Delta V=\Delta \,I\cdot R\] \[R=\frac{\Delta V}{\Delta I}\,=\frac{150-100}{(12-7.5)\,\times {{10}^{-3}}}\] \[=\frac{50\times {{10}^{3}}}{4.5}\,=11.1\,k\Omega \]
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