Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


With the increase in length of the wire, the thickness reduces (due to stretching) and thus, there's less space for current to flow and therefore, the resistance is doubled.
Hence, we say that when the length or the width of the wire is doubled, the resistance gets doubled.
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts