Prosesau ffisegol: Trydan

Symbolau cylched BSI circuit symbols
Lamp ffilament Picture of lamp filament
Batrïau Picture of cells
Amedr Picture of ammeter
Amlfesurydd Picture of Multimeter
Swnyn Picture of buzzer
Gwrthydd newidiol Diagram to show how variable resistor works
Cylched gyfres Diagram of series circuit
Cylched baralel Diagram of parallel circuit
Llinellau maes Pictures of magnetic field lines
Llinellau maes Pictures of magnetic field lines- in colour
Llinellau maes magnetig y ddaear Earth’s magnetic field
Llinellau maes magnetig y ddaear Earth’s magnetic field with compass
Barfagnetau Bar magnets
Barfagnetau’n atynnu a gwrthyrru Picture showing magnets attracting and repelling.
Cwmpawd Picture of orienteering compass 
Craen magnetig Picture of magnetic crane
Mellten Lightning
Balŵn wedi’i wefru Charged balloon
Allwyriad llif dŵr Picture showing deflection of water stream
Balŵn yn atynnu papur Charged balloon attracting paper
Gwallt statig Picture of girl with charged hair
Deddf Ohm Graph showing linear relationship between V and I
Thermistor Circuit symbol - thermistor
LDR Circuit symbol - LDR
Deuod Circuit symbol - diode
Symbolau cylched cyffredin Common circuit symbols – cell, bulb etc
Van der Graaf Diagram showing how V de G generator makes your hair stand on end
Plwg 3 pin Diagram of 3 pin plug
Ffiws Diagram of fuse
Daearu Diagram showing how the earth wire works