What kind of electromagnetic waves does the typical tv remote use?

radio waves

infrared radiation

ultraviolet

ultrasound

Early television remote controls used ultrasonic tones. Present-day remote controls are commonly consumer infrared devices which send digitally-coded pulses of infrared radiation to control functions such as power, volume, channels, etc.

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Cindy Funk wikipedia → Remote control

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Answers by country

the Netherlands

88%

Germany

86%

Romania

12%

81%

Italy

26%

73%

Poland

18%

72%

13993

Australia

29%

62%

the United Kingdom

24%

58%

136

France

36%

57%

Nigeria

14%

57%

14%

India

31%

56%

718

the United States

27%

55%

274

Malaysia

54%

18%

Canada

23%

52%

10%

Republic of Ireland

47%

52%

Pakistan

36%

50%

13%

Belgium

23%

46%

30%

Ghana

26%

43%

13%

the United Arab Emirates

50%

42%

the Philippines

47%

39%

Greece

41%

34%

13%

What does HTC stand for in the HTC Corporation name?

High Tech Computer

Hanoi Telephone Communication

Hybrid Telephone Casing

High Temperature Cooling

What material is computer's processor made of?

single crystal ruby

single crystal silicon

silicon polycrystal

pyrite crystal

Which type of transmission uses the shortest waves?

What resistor should be connected to the 12 Volt battery with a current flow of 4 Amp?