Log Message:
-----------
Add basic electrical units.
Tags:
----
rel-2-1-a1
Modified Files:
--------------
pg/lib:
Units.pm
Revision Data
-------------
Index: Units.pm
===================================================================
RCS file: /webwork/cvs/system/pg/lib/Units.pm,v
retrieving revision 1.2
retrieving revision 1.2.8.1
diff -Llib/Units.pm -Llib/Units.pm -u -r1.2 -r1.2.8.1
--- lib/Units.pm
+++ lib/Units.pm
@@ -40,6 +40,7 @@
'degC' => 0,
'degF' => 0,
'degK' => 0,
+ 'amp' => 0,
'mol' => 0, # moles, treated as a fundamental unit?
);
@@ -397,7 +398,61 @@
'kg' => 1,
's' => -2
},
-
+# ELECTRICAL UNITS (incomplete)
+# C -- Coulomb
+# V -- volt
+# mV -- milivolt
+# kV -- kilovolt
+# MV -- megavolt
+# F -- Farad
+# mF -- miliFarad
+# uF -- microFarad
+# ohm -- ohm
+# kohm -- kilo-ohm
+ 'C' => {
+ 'factor' => 1,
+ 'amp' => 1,
+ 's' => 1,
+ },
+ 'V' => {
+ 'factor' => 1,
+ 'J' => 1,
+ 's' => -1,
+ },
+ 'mV' => {
+ 'factor' => 0.001,
+ 'V' => 1,
+ },
+ 'kV' => {
+ 'factor' => 1000,
+ 'V' => 1,
+ },
+ 'MV' => {
+ 'factor' => 10**(6),
+ 'V' => 1,
+ },
+ 'F' => {
+ 'factor' => 1,
+ 'C' => 1,
+ 'V' => -1,
+ },
+ 'mF' => {
+ 'factor' => 0.001,
+ 'F' => 1,
+ },
+ 'uF' => {
+ 'factor' => 10**(-6),
+ 'F' => 1,
+ },
+ 'ohm' => {
+ 'factor' => 1,
+ 'V' => 1,
+ 'amp' => -1,
+ },
+ 'kohm' => {
+ 'factor' => 1000,
+ 'ohm' => 1,
+ },
);
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