Comprehension A conducting ring of radius \( a \) is rotated about a point \( O \) on its periph...

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Comprehension
A conducting ring of radius \( a \) is rotated about a point \( O \) on its periphery as shown in the figure in a plane perpendicular to uniform magnetic field \( B \) which exists everywhere. The rotational velocity is \( \omega \).

Choose the correct statement(s) related to the potential of the points \( P, Q \) and \( R \).
(a) \( V_{P}-V_{O}0 \) and \( V_{R}-V_{O}0 \)
(b) \( V_{P}=V_{R}V_{O} \)
(c) \( V_{O}V_{P}=V_{Q} \)
(d) \( V_{Q}-V_{P}=V_{P}-V_{O} \)
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