Physics, asked by deepika6006, 1 year ago

we have a copper wire of resistance r this wire is cooled so that its length is doubled( temperature remains constant). Find The new resistance of the wire in the terms of its resistance

Answers

Answered by harsh3374chauhan

resistance = 4r is new resistance

when the wire is cooled then it's area also changed, so only volume is constant.
Now, R directly proportional to length and 1/area

Attachments:

harsh3374chauhan: qg matlab

deepika6006: by mistake it was written

harsh3374chauhan: okk

harsh3374chauhan: I thought it's something new which I didn't know

harsh3374chauhan: hihi

deepika6006: haha

harsh3374chauhan: ☺☺

harsh3374chauhan: ya it happens sometimes

deepika6006: yupp

harsh3374chauhan: hm

Answered by Anonymous

《ANSWER》

This is the Answer of YOUR recent question

i wa not able to post there

so i posted here

sorry

Attachments:

deepika6006: are u sure about this answer

Anonymous: yes ma'am

deepika6006: ok

Anonymous: I have given unit as Amgstrom , as 10^-10 is a 1 angstrom

Previous Question

Next Question

we have a copper wire of resistance r this wire is cooled so that its length is doubled( temperature remains constant). Find The new resistance of the wire in the terms of its resistance​

Answers

we have a copper wire of resistance r this wire is cooled so that its length is doubled( temperature remains constant). Find The new resistance of the wire in the terms of its resistance