2,486
edits
Changes
Jump to navigation
Jump to search
Line 162:
Line 162: − +
Activities/Turtle Art/Using Turtle Art Sensors (view source)
Revision as of 01:13, 12 November 2010
, 01:13, 12 November 2010→Measuring AC Amps
An inexpensive [http://en.wikipedia.org/wiki/Current_transformer current transformer] can be built to measure AC amps.
An inexpensive [http://en.wikipedia.org/wiki/Current_transformer current transformer] can be built to measure AC amps.
50 turns of insulated copper wire are wrapped on a soft iron bar, threaded shaft, nuts and another bar complete the magnetic circuit.
50 turns of insulated copper wire are wrapped on a soft iron bar. Threaded shaft, nuts and another bar complete the magnetic circuit.
[[File:Current transformer1.jpg]]
[[File:Current transformer1.jpg]]