i dont know .
when a light is on it is part of a scolde circuit
The bulb converts energy from the power source into light and heat. It is the load in the circuit.
it would be ok in a circuit which didn't need a light bulb.
There are many ways you can design a simple traffic light circuit. I recommend you to use a 4017 IC. Please check this site as reference. It's a two way traffic light circuit. http://circuitdesolator.blogspot.com/2011/01/traffic-light-circuit-based-on-4017.html
In a modern home you use parallel circuit's. The reason why they are parallel circuit and not series is For example: say your kitchen light goes off, if that light goes off the others in your house won't. They also use parallel circuit in schools. However, when there is a switch in the circuit, that switch is in series with the load, so you could say that electrical wiring is arranged in series-parallel.
It is called a series circuit. In a series circuit, if one light bulb goes out, it breaks the circuit and causes all the lights to go out.
That would be a parallel circuit.
The most common form of a series circuit in a house is a circuit breaker (optionally in series with an on-off switch) in series with a load, usually a light bulb.
This is called a 3-way circuit. It uses special switches and wiring to control a load from more than one location.
Electricity flows where there is a potential difference and some means of discharging that difference. A circuit is the loop of the thing causing the potential difference and the components that allow it to discharge. What seems to be confusing you is that the power source isn't always included in a circuit diagram. If you think in terms of a lighting circuit, the light comes on when the switch is closed. The part of the circuit inside your house only has the mains supply, some power switchgear, the light switch and the light. However, the circuit continues back through the supply cables to the generating station. Break the circuit at any point, in your house, under the street or a wire in the generator, and out goes the light.
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In a lighting circuit an open circuit will turn off the light.
A "beacon"
That would be a parallel circuit.
That would be a parallel circuit.
You are replacing a component in the circuit. It could also be called the load.
In series