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QJEEM24Phbe8a: JEE Main 2024 Physics - Class 12 JEEM24Phbe8a Solution: To determine the resistance (R) of a wire, a circuit is…

To determine the resistance (R) of a wire, a circuit is designed below. The $V$ - $I$ characteristic curve for this circuit is plotted for the voltmeter and the ammeter readings as shown in figure. The value of $R$ is _________ $Ω$ .

JEE Main 2024 (Online) 9th April Evening Shift Physics - Current Electricity Question 33 English

Step-by-Step Verified Solution

$\begin{aligned} R_{net} = \frac{1}{Slope} = \frac{8}{4} \times 10^{3} = 2 \times 10^{3} \\ \Rightarrow 2 = \frac{10 R}{10 + R} \\ \Rightarrow 20 + 2 R = 10 R \\ \Rightarrow 8 R = 20 \\ \Rightarrow R = 2.5 k Ω \\ = 2500 Ω \end{aligned}$

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