For the same total mass, which of the following will have P the largest moment of inertia about ...

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For the same total mass, which of the following will have
P the largest moment of inertia about an axis passing through

W the centre of gravity and perpendicular to the plane of body?
(1) A ring of radius \( l \)
(2) A disc of radius \( l \)
(3) A square lamina of side \( 2 l \)
(4) Four rods forming square of side \( 2 l \)
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