The length of the wire is 0.2mm radius that can be drawn after melting a solid copper sphere of diameter 18cm is
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Answered by
2
Answer: Option D
Explanation:
Radius of sphere = 9 cm
Volume of sphere = [4/3 × π × 92 ] cm3 = (972) cm3
Radius of wire = 0.2 mm = (2/100) cm = (1/50) cm
Length be = x cm

= > x = (972 ×50 ×50) cm
Length of wire = 
= 24300 m
Explanation:
Radius of sphere = 9 cm
Volume of sphere = [4/3 × π × 92 ] cm3 = (972) cm3
Radius of wire = 0.2 mm = (2/100) cm = (1/50) cm
Length be = x cm

= > x = (972 ×50 ×50) cm
Length of wire = 
= 24300 m
Answered by
4
Step-by-step explanation:
243000 is the correct answer.....
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