Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
Show that the magnetic field inside a long solenoid having
n
n
n
turns per metre and carrying a current
I
I
I
is
2
n
R
2nR
2
n
R
times the magnetic field at the centre of a single-turn circular coil of radius
R
R
R
carrying the same current
I
I
I
.
Browse the problem library