0
How does a photocopier tell the difference between the light and dark areas of the original?
The original is lighted. The light reflects from the light areas and not from the dark areas. The reflected light shines on parts of a charged photoreceptor and removes the charge from those areas, but does not remove the charge from areas represented by the dark areas of the original. The charged parts of the photoreceptor attract the toner (dry ink), and the uncharged areas do not. Toner is then transferred from the photoreceptor to the paper and you get an image.
What else can I help you with?
Does the difference in the level of heat between two substances determine the heat transfer rate between the substances?
Yes, the greater the difference in temperature between two substances, the faster heat transfer will occur between them. This is because heat naturally flows from areas of high temperature to areas of low temperature in an attempt to reach equilibrium.
What condition is necessary for the flow of heat?
A temperature difference between two objects or systems is necessary for the flow of heat. Heat flows from areas of higher temperature to areas of lower temperature until thermal equilibrium is reached.
What exists when there is a difference between the current situation and the desired one?
A gap exists when there is a difference between the current situation and the desired one. This discrepancy can indicate areas for improvement or change to align with the desired state. Identifying and addressing this gap is essential for progress and goal attainment.
What is a thermal difference?
A thermal difference refers to a variation in temperature between two adjacent regions or systems. It typically indicates a contrast in the amount of heat present or being exchanged between the areas, which can affect processes such as heat transfer or energy distribution.
When does heat move from one area to another?
Heat moves from one area to another when there is a difference in temperature between the two areas. Heat naturally flows from areas of higher temperature to areas of lower temperature in an attempt to reach thermal equilibrium.
How exactly does a photocopier work?
A photocopier works by exploiting the principle of static electricity. Typically, the copier uses the reflection of light from the page to determine which areas need to be printed.
What is the difference between the room maintenance and public areas?
The difference between room maintenance and public areas is that room maintenance refers to keeping a room up to its standards, whereas public areas are areas with public facilities.
How is a photocopier is charged?
A photocopier is charged using a process called electrophotography. Initially, a photoconductive drum is negatively charged with a high-voltage corona wire or laser. When light reflects off the original document onto the drum, it discharges specific areas, creating a latent image. Toner, which is also negatively charged, adheres to the positively charged areas of the drum, allowing the image to be transferred onto paper during the copying process.
Is the difference between the darkest and lightest areas of the image?
Contrast
What is the difference between coastal areas and land island areas?
what is the differences between coastal and inland districts tell in 5 points
Explain the difference between clean and dirty areas?
Clean areas in a surgical environment are the areas between the shoulders and the waist. Dirty areas would be all areas above the shoulders and below the waist.
Is contrast the difference between the darkest and lightest areas of an image?
Yes
What is the difference in concentrations of a substance between two areas called?
This is called a concentration gradient. It represents the difference in the concentrations of a substance between two regions, with molecules naturally moving from high to low concentration areas to reach equilibrium.
What was the difference between nourthern colonies and southern colonies?
They're in two different areas.
When there is a great difference in air pressure between two areas winds are slight or strong?
When there is a great difference in air pressure between two areas, winds are strong. The air moves from high pressure to low pressure, causing faster winds to equalize the pressure difference.
What is the difference between housekeeping and room attendant?
There is no difference between housekeepers and room attendants. Both are responsible for the cleanliness of all public areas in hotels and guest rooms.
What is the difference between the darkest and lightest areas of an image?
The difference between the darkest and lightest areas of an image is referred to as the contrast. Dark areas contain the lowest levels of light intensity, often appearing black or near-black, while light areas have the highest levels of light intensity, appearing white or near-white. High contrast images have a significant difference between these areas, enhancing visual impact, while low contrast images have a closer range of tones, creating a softer appearance. This difference plays a crucial role in defining the mood and clarity of the image.
