sign up I login
 advanced
refer a friend - earn nickels!!

Ask & Discuss Questions with Community & Experts

Moderation Team
 90 chars left    advanced
Ask iit jee aieee pet cbse icse state board experts Expert Question: numerical
Forum Index -> Magnetism like the article? email it to a friend.  
Author Message
bindaasgautam (0)

New kid on the Block

Olaaa!! Perrrfect answer. 0  [0 rates]

bindaasgautam's Avatar

total posts: 1    
offline Offline
a long solenoid carries a current of 2A.an electron is found to execute a uniform circular motion inside the solenod with a frequencyof 1*10 to power 8 rev/s.find the number of turns per metre in the solenoid?
 
    
krishna.gopal (2322)

Forum Expert Blazing goIITian

Olaaa!! Perrrfect answer. 370  bad job dude!! I dont approve of this answer! 2  [610 rates]

krishna.gopal's Avatar

total posts: 2896    
offline Offline
Magneic field inside solonide
B= mu_not*n*i
where n is number of turns per unit length
Frequence of electron = e/(2*pi*m*B)
from frequency find B and then solve for n

Krishna Gopal Singh
B.Tech Chemical Engg
IIT Delhi 2002
Currently doing PhD from IIT Delhi
 this reply: 2 points  (with Olaaa!! Perrrfect answer.   in 1 votes )   [?]
 
You have to be logged on to rate
  
 
Forum Index -> Magnetism
Go to:   

Top Offers for goIITians
Correspondence Courses
Brilliant Tutorials
Narayana Institute
Aakash Institute
Classroom/Crash Courses
Narayana - Kota , Delhi , Others
Brilliant Tutorials - Class , Crash
Aakash Institute - Medical , Engg
Online Test Series
Brilliant Tutorials
Narayana Institute
Aakash Institute
Mahesh Tutorials
AMITY      Sri Chaitanya