Description
drawing both DC and AC simultaneously with short-circuit protection via a 0
measuring period under different loads to isolate mass from weight
mechanical-advantage
Removable full-term fetus in a 16
75-inch height range for bench apparatus
Demonstration DC Electric Motor Light & Optics_Spectroscopy drawing both DC and ACOpen frame demonstration DC motor exposing armature, brushes, commutator, and field magnet for direct observation as students trace how current produces rotation in a closed magnetic circuit.
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