+91-735-322-1155
FlagBACK
Flag IIT JEE Entrance Exam> a short dipole is placed at a distance x ...
question mark

a short dipole is placed at a distance x from centre O on the axis of a ring of radius R and charge Q is uniformly distributed over it. the net force acting on the dipole is?

ria , 11 Years ago
Grade 12
anser 5 Answers
rajula vineet reddy
the answer is F=2Qp/((R^2+x^2)^3/2) where pis the dipole moment.
Last Activity: 11 Years ago
ria
its the wrong answer..... i wasnt even amng d options.... answer is KQP (R^2 - 2x^2 ) / (R^2 + x^2) ^5/2
Last Activity: 11 Years ago
ria
hey if u could just tell me dat how woul u differentiate x/ (R^2 +X^2) wrt X
Last Activity: 11 Years ago
rajula vineet reddy
ya the answer is KQP(R^2-2x^2)/(R^2+x^2)^5/2 use the formula F=p(dE/dx) and use d/dx (u/v) form......
ApprovedApproved
Last Activity: 11 Years ago
ria
thnx
Last Activity: 11 Years ago
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Other Related Questions on iit jee entrance exam

question mark

Let S={x:x belongs to R(√3+√2)^(x^2-4) - (√3-√2)^(x^2-4)=10}. Then n(S) is equal to-

iit jee entrance exam
1 Answer Available

Last Activity: 5 Months ago

question mark
My rank is 29k, General, should I opt for any state college cse branch or some Nits in which in which I am getting ECE , chemical, mechanics etc....
 
iit jee entrance exam
1 Answer Available

Last Activity: 3 Years ago

question mark
How is Ranquer Eduzone,comparing, Akash,Fitjee,Resonance,Naryana
iit jee entrance exam
1 Answer Available

Last Activity: 3 Years ago

question mark
Can class 9th students study syllabus class  of 11th 
iit jee entrance exam
3 Answers Available

Last Activity: 3 Years ago

question mark
Sum of series 2[n/2] ! [n/2]!/ n! [2Co-2C2+3C2....+[-1]^n[n+1]2Cn] where n is an even positive integer. Kindly provide solution of this question and how to generalise this. How do we know that which expansion will give this?
iit jee entrance exam
1 Answer Available

Last Activity: 3 Years ago