Four wires of the same material are stretched by the same load. Which one of them will elongate most if their dimensions are as follows
a)
L = 100 cm, r = 1mm
b)
L = 200 cm, r = 3mm
c)
L = 300 cm, r = 3mm
d)
L = 400 cm, r = 4mm
Four wires of the same material are stretched by the same load. Which one of them will elongate most if their dimensions are as follows
a)
L = 100 cm, r = 1mm
b)
L = 200 cm, r = 3mm
c)
L = 300 cm, r = 3mm
d)
L = 400 cm, r = 4mm
Question ID - 56739 | SaraNextGen Top Answer
Four wires of the same material are stretched by the same load. Which one of them will elongate most if their dimensions are as follows
a)
L = 100 cm, r = 1mm
b)
L = 200 cm, r = 3mm
c)
L = 300 cm, r = 3mm
d)
L = 400 cm, r = 4mm
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Four wires of the same material are stretched by the same load. Which one of them will elongate most if their dimensions are as follows |
|||
|
a) |
L = 100 cm, r = 1mm |
b) |
L = 200 cm, r = 3mm |
|
c) |
L = 300 cm, r = 3mm |
d) |
L = 400 cm, r = 4mm |
1 Answer
127 votes
Answer Key / Explanation : (a) -
(a)
Because, wires of the same material are stretched by the same load. So, F and Y will be constant.
We can see that, L=100 cm and r = 1mm will elongate most.
127 votes
Answer Link
127