Diy resistor from lead pencil
Diy resistor from lead pencil Diy resistor from lead pencil ,This is a demonstration of variable resistance. The core of a lead pencil does n't…
Tag: contrasting
Diy galvanometer |design your own galvanometer
diy galvanometer | Design your own galvanometer Diy galvanometer, design your own galvanometer. In this activity you made galvanometer.In this activity you will learn simple…