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Two wires of same diameter of the same material having the length  and . If the force F is applied on each, the ratio of the work done in the two wires will be

a)

1 : 2

b)

1 : 4

c)

2 : 1

d)

1 : 1

Question ID - 56270 :-

Two wires of same diameter of the same material having the length  and . If the force F is applied on each, the ratio of the work done in the two wires will be

a)

1 : 2

b)

1 : 4

c)

2 : 1

d)

1 : 1

1 Answer
5876 Votes
3537
Answer Key : (a) -

(a)

As  and  are same  Volume [area is same]

Next Question :

When a weight of  is suspended from a copper wire of length  and diameter , its length increases by . If the diameter of the wire is doubled, then the extension in its length will be

a)

b)

c)

d)


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