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Activities/Turtle Art/Using Turtle Art Sensors
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Revision as of 03:09, 3 February 2011
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03:09, 3 February 2011
→Measuring DC amps
Line 620:
Line 620:
*l in metres
*l in metres
*i in amps
*i in amps
+
+
and in the case of the magnetic field B at a radius r from a wire, the left side integral evaluates to B2πr
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Tonyforster
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