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| valign="top"|
[[File:vsource.png|thumb|left|150px250px|EM.Ferma's Voltage Source Dialog]]
| valign="bottom"|
[[File:qsource.png|thumb|left|150px250px|EM.Ferma's Charge Source Dialog]]
| valign="top"|
[[File:isource.png|thumb|left|150px250px|EM.Ferma's Current Source Dialog]]
|-
|}