JEE Main 2023 (11 Apr, Shift 2) Physics Q47: Lenz's Law

Question

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: A bar magnet dropped through a metallic cylindrical pipe takes more time to come down compared to a non-magnetic bar with same geometry and mass.
Reason R: For the magnetic bar, Eddy currents are produced in the metallic pipe which oppose the motion of the magnetic bar.
In the light of the above statements, choose the correct answer from the options given below

Accepted Answer

Option 1: Both $\mathbf{A}$ and $\mathbf{R}$ are true and $\mathbf{R}$ is the correct explanation of $\mathbf{A}$

Answer

Both $\mathbf{A}$ and $\mathbf{R}$ are true and $\mathbf{R}$ is the correct explanation of $\mathbf{A}$

Answer

Both $\mathbf{A}$ and $\mathbf{R}$ are true but $\mathbf{R}$ is $\mathbf{NOT}$ the correct explanation of $\mathbf{A}$

Answer

$\mathbf{A}$ is true but $\mathbf{R}$ is false

Answer

$\mathbf{A}$ is false but $\mathbf{R}$ is true

JEE Main 11 April 2023, Shift 2, Physics Q47

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