HP 48GII

Equation Reference 5-13
Series and Parallel L (2, 8)
Equations:
Ls L1 L2+=
1
Lp
-------
1
L1
-------
1
L2
-------
+=
Example:
Given: L1=17_mH, L2=16.5_mH,
Solution: Ls=33.5000_mH, Lp=8.3731_mH.
Capacitive Energy (2, 9)
Equation:
E
CV
2
⋅
2
---------------
=
Example:
Given: E=0.025_J, C=20_µF.
Solution: V=50_V.
Inductive Energy (2, 10)
Equation:
E
LI
2
⋅
2
------------
=
Example:
Given: E= 4_J, L=15_mH.
Solution: I=23.0940_A.