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J2360 Electrical experimental equipment Resistance box demonstration Physics teaching instrument Circuit ohm

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J2360 Electrical experimental equipment Resistance box demonstration Physics teaching instrument Circuit ohm

J2360 Electrical experimental equipment Resistance box demonstration Physics teaching instrument Circuit ohm

Electrical experimental equipment Resistance box demonstration Physics teaching instrument Circuit ohm

Electrical experimental equipment Resistance box demonstration Physics teaching instrument Circuit ohm

Electrical experimental equipment Resistance box demonstration Physics teaching instrument Circuit ohm

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Sliding Rheostat Experimental Equipment Physics Teaching Instrument Circuit Learning 20 Ohm 2A Student Resistor Control Circuit

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