What is added within the Shielded Twisted Pair Cable (STP) to reduce the incident of crosstalk?

Answers

Answer 1

Answer:

Answer:

Shielded Twisted Pair (STP) cable includes an additional layer of shielding to reduce the incidence of crosstalk, which is electromagnetic interference or signal bleed between adjacent pairs of twisted cables. This shielding is usually made of metal foil or braided wire and is wrapped around the individual twisted pairs or the entire cable. Here are the key components added within STP to reduce crosstalk:

Explanation:

1.Shielding: STP cables have a metal shield that surrounds the twisted pairs or the entire cable. This shield acts as a barrier to block external electromagnetic interference (EMI) and also reduces the emission of electromagnetic interference from the cable itself.

2.Metal Foil or Braided Wire: The shielding material can be a thin metal foil or a braided wire mesh. These materials are highly conductive and capable of efficiently diverting and grounding any electromagnetic interference that may affect the cable.

3.Grounding: To be effective, the shield in STP cables needs to be properly grounded at both ends of the cable. This grounding helps in dissipating any unwanted electrical noise or interference that is captured by the shield.

4.Aluminum or Mylar Tape: Sometimes, STP cables may also have an additional layer of aluminum or Mylar tape between the shield and the twisted pairs. This tape adds an extra level of protection against interference.

The shielding in STP cables significantly reduces crosstalk and makes them suitable for environments where EMI is a concern, such as industrial settings or areas with a high concentration of electronic equipment. However, STP cables tend to be thicker and less flexible compared to Unshielded Twisted Pair (UTP) cables, which are more commonly used for standard Ethernet connections in office and home networks.

Answer 2

Answer:

Final answer:

In a Shielded Twisted Pair Cable (STP), a shielding composed of an insulating material and a conductive layer is added. This shielding contains the electromagnetic fields within the cables thus reducing the incident of crosstalk.

Explanation:

In a Shielded Twisted Pair Cable (STP), a shielding is added to reduce the incident of crosstalk. This shielding is typically composed of an insulating material and a conductive layer, which is often made of metal foil or a braid. The shielding serves to contain the electromagnetic fields within the cables, protecting the internal wires from external influences, thereby significantly reducing the likelihood of crosstalk. For instance, in a network setting, shielding can help prevent data transmitted along one wire from being picked up by another, thus improving the quality of the transmitted signal. It's important to know that while shielding helps reduce crosstalk, it also makes the cable bulkier, and somewhat more difficult to install and manage compared to Unshielded Twisted Pair (UTP) cables.

Learn more about STP Cable Shielding here:

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How many degrees Celsius is 871.09 Kelvin? Round your answer to two decimal places.

Answers

To convert Kelvin to Celsius, you need to subtract 273.15 from the given value. Let's perform the conversion:

871.09 Kelvin - 273.15 = 597.94 degrees Celsius

Therefore, 871.09 Kelvin is approximately equal to 597.94 degrees Celsius when rounded to two decimal places.

The temperature of 871.09 Kelvin as stated in the question is approximately -101.06 degrees Celsius.This is obtained by the standard result.

Temperature is often measured in two main scales, Kelvin (K) and Celsius (°C). To convert from Kelvin to Celsius, you need to subtract 273.15 from the given temperature in Kelvin.

This adjustment accounts for the fact that 0 Kelvin (absolute zero) is the point at which all molecular motion theoretically stops, while 0 degrees Celsius is the freezing point of water.

In this case, for the temperature of 871.09 Kelvin, the conversion is as follows:

The temperature in Celsius = 871.09 K - 273.15 ≈ -101.06°C.

This means that a temperature of 871.09 Kelvin is approximately equivalent to -101.06 degrees Celsius. It's important to note that Kelvin is an absolute temperature scale, where 0 K represents absolute zero, while Celsius is a relative scale with 0°C corresponding to the freezing point of water at standard atmospheric pressure.

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Rank the four gases (air, exhaled air, gas produced from from decomposition of H2O2, gas from decomposition of NaHCO3) in order of increasing concentration of oxygen).

Answers

The concentration in this case will be expressed as mole oxygen per mole compound or mixture. In air, there are 42 moles of oxygen per 100 moles air. In exhaled air, there are 32 moles Oxygen per 100 moles ex. air. The decomposition of h2o2 results to 2 moles h2O and 1 mole oxygen. Hence there are 4 mole oxygen per 7 moles product.The decomposition of NaHCO3 results ot Na2CO3, Co2 and H20. there are 6 moles pxygen per 12 moles atoms. The ranking (increasing to decreasing) is decomposition of H2O2, decomposition of NaHCO3, air, and exhaled air.

What is the representative particle of Fe?

Answers

Well knowing that a representative particle is the smallest unit that would mean an iron atom would be the answer

What kind of reaction occurs when a molecule of glucose reacts with oxygen to give carbon dioxide and water?A. an exothermic reaction

B. an endothermic reaction

C. a synthesis reaction

D. an irreversible reaction

Answers

A) Exothermic reaction. Exothermic reactions occur when energy or a new product is being releases(gas, energy, heat)

it is a i made a 100 on plato

What is the mass of 2.50 ×1022 molecules of NaOH (Molar mass = 40.0 g/mol)?

Answers

Two things are given to us: The "molar mass" of NaOH and the number of molecules of NaOH.

The molar mass is different from "mass"; 1 mole of NaOH is equal to 40.0g/mol.
When the question asks, what is the mass? It is referring to how many grams there are.

First, we are going to convert the molecules to atoms using Avogadro's number (=6.02 x 10^23)

(2.50 x 10^22 molecules) x (6.02 x 10^23 atoms) = 0.042 mol

Next, we are going to convert from moles to grams.

0.042 mol of NaOH x 40.0 g of NaOH/1 mole = 1.68g of NaOH.

There are 1.68 grams in 2.50 x 10^22 molecules of NaOH.

Hello!

What is the mass of 2.50 ×1022 molecules of NaOH (Molar mass = 40.0 g/mol)?

Data:

Molar Mass of NaOH = 40 g/mol

Solving: According to the Law Avogradro, we have in 1 mole of a substance, 6.02x10²³ atoms/mol or molecules

1 mol -------------------- 6.02*10²³ molecules

y mol -------------------- 2.50*10²² molecules

$(1)/(y) = (6.02*10^(23))/(0.250*10^(23))$

Product of extremes equals product of means

$6.02*10^(23)*y = 0.250*10^(23)*1$

$6.02*10^(23)\:y = 0.250*10^(23)$

$y = (0.250*10^(23))/(6.02*10^(23))$

$\boxed{y \approx 0.042\:mol}$

Solving: Find the mass value now

40 g ----------------- 1 mol of NaOH

x g ------------- 0.042 mol of NaOH

$x = 40*0.042$

$\boxed{\boxed{x = 1.68\:g}}\end{array}}\qquad\quad\checkmark$

Answer:

The mass is 1.68 grams

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The slope of a speed time indicates

Answers

The slope of a peed versus time graph indicates acceleration. You can prove this by the fact that slope is Δy/Δx and the units for y are m/s and for x are s which means that the slope has the units (m/s)/s which are the same units used for acceleration.
I hope this helps. Let me know in the comments if anything is unclear.

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