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Experiment 1: Multimeter Measurements on DC Resistive Circuits
Experiment 1: Multimeter Measurements on DC Resistive Circuits

... range dependent on the expected current measured. For this experiment the 20mA range is the most appropriate. Ammeters have very low resistance that typically is less then 0.5  A common mistake is to connect the ammeter in parallel with the circuit components. * CAUTION: When making current measur ...
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Metadyne



A metadyne is a direct current electrical machine with two pairs of brushes. It can be used as an amplifier or rotary transformer. It is similar to a third brush dynamo but has additional regulator or ""variator"" windings. It is also similar to an amplidyne except that the latter has a compensating winding which fully counteracts the effect of the flux produced by the load current. The technical description is ""a cross-field direct current machine designed to utilize armature reaction"". A metadyne can convert a constant-voltage input into a constant-current, variable-voltage output.
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