A metallic cube of edge 1 cm is drawn into a wire of diameter of 2
mm then find the length of the wire
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4
Answer:
ANSWER
Edge of cube =1 cm
Volume of cube (1)
3
=1cm
3
=1000mm
3
Diameter of wire =4mm
Radius of wire =2mm
Now, volume remains same
Therefore, volume of wire = volume of cube
πr
2
h=1000mm
3
π×2×2×h=1000
h=
4π
1000
=
π
250
mm
h=
π
25
cm
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toppr
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