A) 0.5 cm
B) 1 m
C) 1.5 cm
D) 3.14 cm
Correct Answer: A
Solution :
Radius of wire = R cm, then \[\frac{4}{3}\times \pi \times {{\left( 3 \right)}^{3}}=\pi {{\left( R \right)}^{2}}\times 36\] \[\Rightarrow \] \[R=\sqrt{\frac{4\times 3\times 3}{3\times 36}}=0.5\,cm\]
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