A wire of resistivity p is stretched to double it's length which is it's new resistivity. give reason for your answer.
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Hey.
Here is the answer
As R = p L/A
And resistivity is the property of material it doesn't depend upon length and area .
As we stretch the wire it's resistance which depends upon all of these will change and hence the resistivity will remain constant.
Thanks.
Here is the answer
As R = p L/A
And resistivity is the property of material it doesn't depend upon length and area .
As we stretch the wire it's resistance which depends upon all of these will change and hence the resistivity will remain constant.
Thanks.
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