If there is flow of current, the Tester lights up. Students were given the opportunity to use the Testers
π£π’π¦π§ π§πͺππ‘π§π¬ π’π‘π : π‘π²πΌπ» π§π²πππ²πΏπ , π― πΊπΌπ±π²πΉπ, ππ±ππΆπ°π² ππΌ π¦πππ±π²π»ππ : ππ’ π‘π’π§ π§π₯π¨π¦π§ π§ππ¦π§ππ₯π¦, ππ πππ₯πππ¨π
