מעגלי זרם ישר_פעילויות
https://www.geogebra.org/m/qgnpysc5
https://www.geogebra.org/m/nnry9gft
https://www.geogebra.org/m/ruz6gmzp
https://www.geogebra.org/m/nn6gg7qn
https://www.geogebra.org/m/dx3mxtka
https://www.geogebra.org/m/jpve6mu3
https://www.geogebra.org/m/udnmuzhr
1/I =f(R)
https://www.geogebra.org/m/zzgxesyy
https://www.geogebra.org/m/d5dmzt6b
https://www.geogebra.org/m/ypu6vazp
https://www.geogebra.org/m/zsjapjwh
https://www.geogebra.org/m/tma9dsd2
https://www.geogebra.org/m/a7mdqzey
