Electricity and Magnetism > Inductance
DCS# 5J20.10 v2
DC RL CIRCUIT - LOGGERPRO VERSION
APPARATUS
900 H inductor
202-nook
6 V battery
202-02-D1
decade resistor
214-01-A
make-before-break switch
101-09-D4
laptop and LabPro interface
107-02-B3
DESCRIPTION
Use computer to show rise and fall of current and/or inductor voltage.
NOTES
Inductor has an internal resistance of abou
t 130
ohms
.
Its measured inductance is 450 H.
I
o
= V/R = 26 mA
τ = L/R = 2.0 s.
