### Clue: Regular couple in Delft provide current address (7)
### Answer: EFFENDI 
 ### Explanation: Definition: address
 **2nd and 4th letters of**(Regular couple in) "Delft" + FEND(to provide/to look after oneself without any help from others) + I(symbol for electrical current, in physics).
Defn: An …/title of nobility in Turkey.