Two conducting wires of same material and of equal lengths , resistance and resistivity having ratio 1:2 . There diameter ratio will be a)1:2 b)1:4 c) 4:1 d) 1:√2
Answers
Answered by
4
Stress=Fa
a=πr2
a∝r2
a1a2=(r1r2)2=(21)2
⇒4
S1S2=F/a1F/a2=(a2a1)=14
Ratio of stress is 1 : 4
Hence (D) is the correct answer.
a=πr2
a∝r2
a1a2=(r1r2)2=(21)2
⇒4
S1S2=F/a1F/a2=(a2a1)=14
Ratio of stress is 1 : 4
Hence (D) is the correct answer.
ashamonikakati:
d nahi b he correct answer hoga
thanks
Answered by
2
The answer will be 1:√2
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