a wire of resistivity 10 ohm is stretched to double its length. how does it affect resistance and resistivity?
Answers
Answered by
2
Resistivity remains same as it is not effectd by length.
akki2429p0bm7a:
and resistance?
Answered by
8
Resistivity remains the same
As you are stretching the wire, not just increasing its length, the area also gets halved
So resistance increases to four time ie 40 ohms
As you are stretching the wire, not just increasing its length, the area also gets halved
So resistance increases to four time ie 40 ohms
how did you calculate resistance?
please tell fast..
Similar questions