1. The remote control is based on,
(A) Both A & B
(B) Magnetic
(C) Electronic
(D) None of These
2. The remote control has a transmitter, which transmits the
(A) None of These
(B) Light Waves
(C) Both A & B
(D) Infra-red waves
3. The receiver detects the infra-red waves and produce specific;
(A) Electronic Signal
(B) Light Signal
(C) Both A & B
(D) None of These
4. The remote control uses frequencies;
(A) VHF Range
(B) Infra-red range
(C) Both A & B
(D) None of These
5. The range of operation of remote control
(A) 15 to 20 meters
(B) 10 to 15 meters
(C) 20 to 30 meters
(D) None of These
6. Most of the remote control use IC to perform all the functions
(A) Double
(B) Single
(C) No use any IC
(D) None of These
7. The contacts of the keys of the remote control use;
(A) Carbon material
(B) Copper material
(C) Silver Material
(D) None of These