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