0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What gives off light in tungsten light bulbs?
The filament in the bulb gives off light.
Why is your light bulb flashing while turned off?
Capacitive coupling, caused by a "hot" wire running next to the "cold" wire which induces a current that's stored up in an energy saving light bulb, until enough has built up to strike.
What forms of energy are given off by a light bulb?
Heat and Light
Why are high resistance materials useful in light bulbs?
The filament in a light bulb causes the light bulb to heat up and give off life.
Does a light bulb give off radiant or thermal energy?
THe light bulb emits light while in the process heat in the infrared spectrum is emitted.
If a lamp is off but still plugged in is it wasting energy?
No electricity can be used or wasted if the lamp itself is turned off. It makes no difference if it has been turned off at the wall outlet or at the lamp itself. It is the same situation as a flashlamp that has a light bulb supplied by a battery. If the flashlamp is switched off the battery inside it is still there, waiting to feed the light bulb with current, but the current can only flow into the light bulb when the switch on the flashlamp is turned on.
There are 3 sockets with bulbs how do you know which one is the brake light?
With all lights turned off,have someone step on the brake pedal. The bulb that illuminates is the break light bulb.
Why are light bulbs so hot when they are turned off?
light bulbs are hot because the coils spread heat around the bulb.
Does electricity flow through a light when the light is turned off?
The OFF position on the light switch interrupts the flow of electricity to the light bulb. If the switch is ON, there is always electricity at the light socket, even when the light bulb is removed. if the lamp is still pluged in electricity is still flowing through the lamp even if it is off or on
Does the watage of a light bulb affect how long it lasts?
No, the type of bulb and filament will determine life, as well as how many times it is turned off and on. Repetitive on and off cycles will reduce the life of the filament.
Why does the home gas furnace blow cold air?
Perhaps the pilot light is out and the gas has been turned off at the valve.
Why does your door jam light not comeon when the car door is open?
The bulb or fuse is burned out or the master switch is turned off.
Three light switches one room and one light bulb you can only go in it once what light switch turn the light bulb on it has something to do with the temperatur.?
turn 2 switches on wait one minute, turn one off go in the room if the bulb is off and warm it was the last one you turned off if its cold its the one you didnt touch and if its on its the only switch left on.
What does the on and off switch do on an electrical circuit?
When you turn It off it breaks the circuit. When it is turned on it closes the circuit. To have a light bulb turn on it need to have continuity. Hope that helps
What are some applications for parallel circuits?
Wiring for power in buildings is in parallel. If it was in series every time a light or power switch was turned off, the entire building would be turned off. This can be seen with Christmas tree lights when one bulb blows every bulb goes out.
What is the wire that gives off light in a light bulb?
In an incandescent light bulb the wire that gives off the light is called the Filament.
What can light up a light bulb?
Well. A light bulb lights up because the atoms and electrons clash together which causes an electrical charge. And then it magically lights up the light bulb. By:?
