Resistance Substitution Box Biology_Health & Genetics Student kit for constructing a

Student kit for constructing a working DC motor from component parts

2A rheostat with oxidized constantan winding on a 300x44mm vitreous-enameled tube

Spring-loaded vinyl jaws open to 2

this Hall's car supports dynamics work on inclined planes with weights and pulleys

supplying the standard mid-range value used in the bulk of introductory Ohm's-law and voltage-divider investigations

Resistance Substitution Box Biology_Health & Genetics Student kit for constructing aTwelve position substitution box rotating through 100 ohms to 470k ohms at 1W and plus or minus 1%, dropping a known resistance into a circuit without rewiring during Ohm's law work.