Vanshika posted an Question
September 17, 2020 • 00:26 am 30 points
  • IIT JAM
  • Physics (PH)

A metal sphere of radius r carries total charge q. what is the force of repulsion between the "northern hemisphere and the "southern" hemisphere ?

2 Answer(s) Answer Now
  • 0 Likes
  • 3 Comments
  • 0 Shares
  • Meena

    see the attachments. note (why we integrate from 0 to π/2) : One hemisphere experiences a repulsive force due to other hemisphere. so we find the (repulsive) force experienced by a HEMISPHER i.e. half sphere and not the whole sphere. That is why we integrate theta from 0 to π/2 and not 0 to π

    cropped3371847548955034797.jpg
    cropped6793948295686830050.jpg
whatsapp-btn

Do You Want Better RANK in Your Exam?

Start Your Preparations with Eduncle’s FREE Study Material

  • Updated Syllabus, Paper Pattern & Full Exam Details
  • Sample Theory of Most Important Topic
  • Model Test Paper with Detailed Solutions
  • Last 5 Years Question Papers & Answers