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

Germany

86%

the Netherlands

11%

84%

Romania

17%

76%

Italy

26%

73%

Poland

18%

72%

14054

South Africa

66%

16%

Australia

28%

60%

France

35%

60%

the United Kingdom

24%

58%

138

Nigeria

14%

57%

14%

India

30%

56%

720

the United States

27%

56%

280

Canada

23%

52%

10%

Republic of Ireland

50%

Pakistan

36%

50%

13%

Belgium

23%

46%

30%

Ghana

26%

43%

13%

the United Arab Emirates

50%

42%

the Philippines

48%

38%

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?