If the vector product of a constant vector \( \overrightarrow{O A} ...

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If the vector product of a constant vector \( \overrightarrow{O A} \) with a variable vector \( \overrightarrow{O B} \) in a fixed plane \( O A B \) be a
\( \mathrm{P} \) constant vector, then the locus of \( B \) is
(1) a straight line perpendicular to \( \overrightarrow{O A} \)
(2) a circle with centre \( O \) and radius equal to \( |\overrightarrow{O A}| \)
W.
(3) a straight line parallel to \( \overrightarrow{O A} \)
(4) none of these
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