Teaching Resistance Box
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Mainly used to verify the Ohm's law in the physics teaching, or to be used as the ohm to enlarge the measuring range of the ampere meter and voltmeter.
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It is the anatomical form of plug-type resistance box used to demonstrate its basic structure and principle, and used as general constant resistance.
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It is used to verify Ohm’s law of part circuit; used as known resistance inserted in the circuit to regulate current; used as additional resistance to enlarge measurement range of ammeter; used to measure unknown resistance; used to measure electromotive force and internal resistance of power supply and is the essential instrument in electrical experiment.
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