### Clue: Northern entertainers encountering nothing but resistance for northern style (3,4)
### Answer: ART DECO 
 ### Explanation: Definition: style
 [ "Ant" & "DEC" ](TV entertainers from Newcastle-upon-Tyne, North England) **plus**(encountering) O(letter representing 0/nothing) ***with*** "r"(abbrev. for electrical resistance in physics) **replacing**(but … for) "n"(abbrev. for "northern").
Defn: …, of visual arts, architecture and design.