Reference Guide

Equation Reference 5-31
Black Body Radiation (6, 6)
(See “F0 λ ” in Chapter 3.)
Equations:
Example:
Given: T=1000_°C, λ 1=1000_nm, λ 2=600_nm, A=1_cm^2.
Solution: λ max=2276.0523_nm, eb=148984.2703_W/m^2, f=.0036, eb12=537.7264_W/m^2, q=14.8984_W.
Magnetism (7)
Variable
Description
µ r
Relative permeability
B
Magnetic field
d
Separation distance
Fba
Force
I, Ia, Ib
Current
L
Length
N
Total number of turns
n
Number of turns per unit length
r
Distance from center of wire
ri, ro
Inside and outside radii of toroid
rw
Radius of wire
Reference: 3.
e
b
σ
T
4
⋅
=
f
F
0
λ
λ
2
T
;
(
)
F
0
λ
λ
1
T
;
(
)
–
=
e
B1
f
e
b
⋅
2
=
λ
m
a
x
T
⋅
c
3
=
q
e
b
A
⋅
=