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What are traffic lights used for?
inventor of the traffic light
Why red light is used as the traffic light?
red light is used in traffic lights because red light has a "longer wavelength" than other colours
What was used before traffic light was invented?
Police officers giving traffic signals.
What was used before the traffic light?
Stop signs
What is the term used to describe a network cable lyong loose in a network cable lying loose in a high-traffic area?
trip hazardWhat_is_a_network_cable_used_for
Where was the first traffic light used?
The first traffic light was used in Great Britain in December 1868. It controlled traffic on London's three busiest streets: Bridge Street, Great George Street and Parliament Street.
What Ohio city was the first traffic light used?
Cleveland
Why rad light used in traffic light?
To humans RED means stop or danger in our brains.
How is infrared used in communication?
Morse code. Infra red light modulated and sent down fibre optic cable. Traffic lights Display panels.
What is the use of ic555 in traffic controller?
IC 555 is a simple timer integrated circuit device and used for traffic light timing to control traffic flow.
What is the term used to describe a network cable lying loose in a high-traffic area?
trip hazard
When can cruise control be used?
On the open road with light traffic. Never use it in heavy traffic, when it is raining, or when there is ice or snow on the road.You would use cruise control when driving on the open highway in very light traffic where you wish to maintain a constant speed.
