Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing



  • one year ago
  • one year ago

  • This Question is Open
  1. akash10071993
    Best Response
    You've already chosen the best response.
    Medals 0

    how the small gap causes the 30000v/cm...can you explain it??why this voltage occurs..plz elaborate

    • one year ago
  2. salini
    Best Response
    You've already chosen the best response.
    Medals 1

    if the switch board is designed to support aN A.C supply then the moment the switch is on,there will be a quick change in magnetic flux which induces an emf(voltage) and spark given by rate of chage in magnetic flux=induced emf(in a direction opposite to change in magnetic flux)

    • one year ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...


  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.