▁were ▁turned ▁over ▁to ▁the ▁federal ▁min istry ▁of ▁the ▁interior . ▁ ▁For ▁certain ▁official ▁and ▁legal ▁purposes ▁( including ▁certain ▁financial , ▁medical ▁and ▁other ▁services ▁for ▁former ▁postal ▁civil ▁servants ), ▁a ▁" f eder al ▁institution ▁for ▁post ▁and ▁tele communic ation " ▁( B undes anstalt ▁für ▁Post ▁und ▁Tele k ommun ik ation ) ▁was ▁created . ▁ ▁See ▁also ▁▁▁ ▁Post age ▁st amps ▁and ▁postal ▁history ▁of ▁Germany ▁ ▁Deutsche ▁Bundes post ▁Berlin ▁ ▁Deutsche ▁Post ▁of ▁the ▁G DR ▁ ▁P est hör n chen ▁( CC C ) ▁ ▁References ▁ ▁Category : Post al ▁organizations ▁Category : T ele communic ations ▁companies ▁established ▁in ▁ 1 9 4 7 ▁Category : Comp an ies ▁dis est ab lished ▁in ▁ 1 9 9 4 ▁Category : Post al ▁system ▁of ▁Germany ▁Category : 1 9 4 7 ▁establish ments ▁in ▁Germany ▁Category : G overn ment - owned ▁companies ▁of ▁Germany <0x0A> </s> ▁Die lect ric ▁complex ▁rel uct ance ▁is ▁a ▁scalar ▁measurement ▁of ▁a ▁pass ive ▁die lect ric ▁circuit ▁( or ▁element ▁within ▁that ▁circuit ) ▁dependent ▁on ▁sin us oid al ▁voltage ▁and ▁sin us oid al ▁electric ▁induction ▁flux , ▁and ▁this ▁is ▁determined ▁by ▁der iving ▁the ▁ratio ▁of ▁their ▁complex ▁effective ▁amplit udes . ▁The ▁units ▁of ▁die lect ric ▁complex ▁rel uct ance ▁are ▁ ▁( in verse ▁Far ads ▁- ▁see ▁Dar af ) ▁[ Ref . ▁ 1 - 3 ]. ▁▁▁▁▁▁