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The first problem is that there is no lighting in the park, which causes insecurity in the population
the second problem is that there are no signs at the corners, which causes car accidents
what is a circuit
roughly circular line, route, or movement that starts and finishes at the same place.
"I ran a circuit of the village"
types of circuit
Series Circuit. A series circuit has only one path for electricity to flow from one point to another. ...
Parallel Circuit. A parallel circuit has multiple paths for electricity to flow from one point to
Define a led and bulb.
An LED light bulb is a solid-state lighting (SSL) device that fits in standard screw-in connections but uses LEDs (light-emitting diodes) to produce light. LED light bulbs are a more environmentally-friendly alternative to incandescent bulbs.
Identify the types of bulbs.
dh09-living-room-chandelier_s3x4.
Incandescent Bulbs. Incandescent bulbs for use in the home. ...
Halogen Light Bulb. Halogen light bulbs cast bright light and last twice as long as standard bulbs. ...
Fluorescent Ceiling Lighting. ...
compact fluorescent bulb. ...
gby1905_3d-reflector-light_s4x3.
Define what is a wire.
an electronic listening device that can be concealed on a person
Define what is a transistor.
transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit.
What is a battery in technology.
A battery is a device consisting of one or more electrochemical cells with external connections provided to power electrical devices such as flashlights, mobile phones, and electric cars. When a battery is supplying electric power, its positive terminal is the cathode and its negative terminal is the anode.
What is voltage
Voltage is what makes electric charges move. It is the 'push' that causes charges to move in a wire or other electrical conductor. ... Voltage is also called, in certain circumstances, electromotive force (EMF). Voltage is an electrical potential difference, the difference in electric potential between two places.
What is a traffic light.
a set of automatically operated coloured lights, typically red, amber, and green, for controlling traffic at road junctions, pedestrian crossings, and roundabouts.
How works out a traffic light.
Rather than timers, "smart" or "intelligent" sensor-based traffic signals rely upon a system of sensors to detect when vehicles are present. ... When a vehicle on a side road arrives at the intersection, a sensor will detect it and cycle the lights to allow traffic on the side road to pass through.
2019