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Light Bulbs and Artificial Lighting

Artificial lighting has become standard in the homes and companies of most countries. It is used for concert effects, growing food, and reading a book in bed at night.

2,482 Questions

What was the filament in thomas edisons light bulb?

The filament in Thomas Edison's light bulb was made of carbonized bamboo. Edison experimented with various materials before settling on carbonized bamboo as a durable and long-lasting option for the filament.

What is a long neck light bulb?

A long neck light bulb is a type of incandescent or LED light bulb with an elongated neck or shape. These bulbs are often used in recessed lighting fixtures to provide directed or focused lighting in specific areas.

What kind of energy does a light bulb give out?

A light bulb gives out light energy when electricity passes through its filament, causing it to glow and emit light. Additionally, some energy is also given off in the form of heat due to the resistance in the filament.

How does a lemon power up a light bulb?

A lemon can power up a light bulb by acting as an electrolyte in a chemical reaction with the metals in the light bulb. When zinc and copper electrodes are placed in the lemon, a chemical reaction creates an electrical current that can power a small LED light bulb.

Does a light bulb get brighter when the current increases?

Yes, a light bulb gets brighter when the current flowing through it increases. This is because the increase in current results in more energy being converted into light and heat by the filament in the bulb, causing it to glow more brightly.

Which will generate more light on a light bulb a potato or a lemon?

A lemon would generate more light on a light bulb due to its higher acid content, which can create a small electrical current when connected in a circuit with a light bulb. Potatoes have lower acidity and will generate less energy in comparison.

Is the light bulb named afrter James watt?

No, the light bulb is not named after James Watt. The light bulb was actually invented by Thomas Edison. James Watt was an engineer and inventor known for his work on improving the steam engine.

What filament is responsible for the pulling and what filament is pulled in the sliding filament theory?

In the sliding filament theory of muscle contraction, the thin filament (actin) slides over the thick filament (myosin). Myosin is responsible for pulling the actin filaments towards the center of the sarcomere during muscle contraction.

What are the materials used for making a bulb?

Bulbs are typically made using glass for the exterior shell, a tungsten filament for the light source, a gas mixture inside the bulb to prevent oxidation, and a base made of metal or plastic for connecting to the power source.

How a electric bulb produces light?

An electric bulb produces light by passing electricity through a filament, typically made of tungsten. The electricity heats up the filament, causing it to emit light due to incandescence. The bulb is filled with inert gases to prevent the filament from oxidizing and burning out.

Which material is used in the bulbs for the filament?

The filament in traditional incandescent light bulbs is typically made of tungsten. Tungsten has a high melting point and is able to emit light efficiently when heated by an electric current.

How do you change side light bulb c3?

To change the sidelight bulb on a Citroen C3, first remove the plastic cover located behind the headlight. Twist the holder anticlockwise to unlock it from the headlight assembly. Replace the bulb with a new one and reassemble the parts in reverse order.

What is the inside of the light bulb called?

The inside of a light bulb is called the filament, which is typically made of tungsten. When electricity flows through the filament, it heats up and produces light through incandescence.

What is the curly light bulb called?

The curly light bulb is called a compact fluorescent lamp (CFL). It is designed to be more energy-efficient than traditional incandescent light bulbs.

How much was the Thomas Edison's light bulb?

Thomas Edison's light bulb was patented in 1879. The cost of the original light bulb produced by Edison was around $1, which was quite expensive at that time.

What is light bulb filament element and symbol?

A light bulb filament is a coiled wire inside the bulb that heats up and produces light when an electrical current passes through it. The symbol for a light bulb filament is usually represented as a zigzag line inside a circle.

Which state helps produce light in fluorescent light bulbs?

Mercury vapor gas in fluorescent light bulbs helps to produce ultraviolet light when an electric current passes through it. The ultraviolet light then causes the phosphor coating inside the bulb to glow and produce visible light.

What are the wires in the middle of a light bulb?

The wires in the middle of a light bulb are called the filament. The filament is typically made of tungsten and it heats up when electricity passes through it, emitting light as a result.

Can a human brain light up a light bulb?

No, a human brain cannot light up a light bulb. The brain works through electrical signals, but the amount of energy produced by the brain is too small to light up a light bulb.

How much watts is that squiggly light bulb?

The wattage of a squiggly light bulb is dependent on its size and brightness. Generally speaking, squiggly light bulbs range from 5 watts to 15 watts. Here is a list of the wattage for the most common sizes of squiggly light bulbs:

  • 2.5 Watt: Ideal for low-light applications
  • 5 Watt: Ideal for accent lighting and task lighting
  • 7 Watt: Ideal for mood lighting and for general lighting
  • 9 Watt: Ideal for general lighting and for brighter task lighting
  • 11 Watt: Ideal for brighter general lighting and for brighter mood lighting
  • 15 Watt: Ideal for brighter general lighting and for brighter mood lighting

The wattage of a squiggly light bulb can vary depending on the manufacturer, so it's important to check the label of the bulb for its exact wattage.

What happens when electrons reach the light bulb?

When electrons reach the light bulb, they flow through the filament, generating heat and light. The heat causes the filament to glow and emit light. This process is known as incandescence, where the electrical energy is converted into heat and light energy.

Why can you use friction to turn on light bulbs?

Friction generates heat when two surfaces rub against each other. When this heat is strong enough, it can cause a material to glow, like in light bulbs. The electrical current in the bulb passes through a filament, which generates resistance and heat due to friction, resulting in the filament glowing and emitting light.

Does strongness of two battry light a bulb stronger or not?

Yes, having two strong batteries will likely light a bulb brighter than just one battery. The combined voltage and current from the two batteries will provide more energy to the bulb, resulting in a brighter light.

Single bulb light fixture make popping sounds when turned on?

Popping sounds in a single bulb light fixture when turned on could be caused by a loose connection, a faulty bulb, or moisture inside the fixture. Check for loose connections and ensure the bulb is properly seated. If the issue persists, consider replacing the bulb and making sure the fixture is dry before use.

What gas inside a light bulb last the longest?

Inert gases like argon or nitrogen are commonly used inside light bulbs, as they are less reactive and aid in preventing filament evaporation. These gases help prolong the lifespan of the bulb by reducing the degradation of the filament due to oxidation.