Magnetic (B) Field In Solenoid (7, 3); Magnetic (B) Field In Toroid (7, 4) - HP 48gII Advanced User's Reference Manual

Magnetic (B) Field in Solenoid (7, 3)

Equation:
Example:
Given:
r=10, n=50, I=1.25_A.
Solution: B=0.0785_T.

Magnetic (B) Field in Toroid (7, 4)

Equation:
B =
Example:
Given:
r=10, N=50, ri=5_cm, ro=7_cm, I=10_A.
Solution: B=1.6667E–2_T.
B = 0 r I n
0 r I N 2
⎛ ⎞
- -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --------------
⎝ ⎠
2 r o + ri
Equation Reference 5-33