BPSC – Combined Competitive Examination · ప్రశ్న 133
Which material is used for smart film?
సమాధానం చూపించు & వివరణ
సమాధానం: (A) Indium tin oxide
వివరణ
Smart (PDLC) films sandwich liquid crystals between ITO-coated layers that carry the switching voltage.
- (A) సరైనది
Correct: ITO is a transparent conductor used in smart (switchable) films and touchscreens.
- (B) తప్పు
Wrong: not conductive or transparent for this use.
- (C) తప్పు
Wrong: not used for smart films.
- (D) తప్పు
Wrong: silica is an insulator, not the electrode layer.