QJEEM24Ph22a9: JEE Main 2024 Physics - Class 12 JEEM24Ph22a9 Solution: Two parallel long current carrying wire separated by a distance …

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QJEEM24Ph22a9: JEE Main 2024 Physics - Class 12 JEEM24Ph22a9 Solution: Two parallel long current carrying wire separated by a distance …

Two parallel long current carrying wire separated by a distance $2 r$ are shown in the figure. The ratio of magnetic field at $A$ to the magnetic field produced at $C$ is $\frac{x}{7}$ . The value of $x$ is __________.

JEE Main 2024 (Online) 4th April Evening Shift Physics - Magnetic Effect of Current Question 23 English

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Accepted Answer

At point $A$

$B_{A} = \frac{μ_{0} I}{2 π r} + \frac{μ_{0} (2 I)}{2 π (3 r)}$

At point $C$

$\begin{aligned} B_{C} = \frac{μ_{0} I}{2 π (3 r)} + \frac{μ_{0} (2 I)}{r} \\ \Rightarrow \frac{B_{A}}{B_{C}} = \frac{5}{7} \end{aligned}$

QJEEM24Ph22a9: JEE Main 2024 Physics - Class 12 JEEM24Ph22a9 Solution: Two parallel long current carrying wire separated by a distance …

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