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saul85 [17]
4 years ago
8

explain why conductors and insulators are both required to construct the electrical wiring in your home

Physics
2 answers:
olchik [2.2K]4 years ago
6 0
Conductors (something that allows electricity to flow easily) allow for electricity to flow easily. This would be the wires. If you don't have conductors, then you cannot have electricity flow.

Insulators (something that doesn't allow electricity to flow through it) is important because it allows us to be able to touch the cables or place them next to one another and not shock ourselves

Hope this helps
natima [27]4 years ago
3 0

The behavior of an object that has been charged is dependent upon whether the object is made of a conductive or a nonconductive material. Conductors are materials that permit electrons to flow freely from particle to particle. An object made of a conducting material will permit charge to be transferred across the entire surface of the object. If charge is transferred to the object at a given location, that charge is quickly distributed across the entire surface of the object. The distribution of charge is the result of electron movement. Since conductors allow for electrons to be transported from particle to particle, a charged object will always distribute its charge until the overall repulsive forces between excess electrons is minimized. If a charged conductor is touched to another object, the conductor can even transfer its charge to that object. The transfer of charge between objects occurs more readily if the second object is made of a conducting material. Conductors allow for charge transfer through the free movement of electrons.

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In contrast to conductors, insulators are materials that impede the free flow of electrons from atom to atom and molecule to molecule. If charge is transferred to an insulator at a given location, the excess charge will remain at the initial location of charging. The particles of the insulator do not permit the free flow of electrons; subsequently charge is seldom distributed evenly across the surface of an insulator.

While insulators are not useful for transferring charge, they do serve a critical role in electrostatic experiments and demonstrations. Conductive objects are often mounted upon insulating objects. This arrangement of a conductor on top of an insulator prevents charge from being transferred from the conductive object to its surroundings. This arrangement also allows for a student (or teacher) to manipulate a conducting object without touching it. The insulator serves as a handle for moving the conductor around on top of a lab table. If charging experiments are performed with aluminum pop cans, then the cans should be mounted on top of Styrofoam cups. The cups serve as insulators, preventing the pop cans from discharging their charge. The cups also serve as handles when it becomes necessary to move the cans around on the table.

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A 500,000 kg cargo ship is traveling at 75 km/h when its engine is shut off. The magnitude of the frictional force between boat
Ymorist [56]

Answer:1.8 hr

Explanation:

Given

mass of cargo=500,000 kg

initial speed=75 km/h\approx 20.833 m/s

Frictional force=85 v

at t=0 engine is shut off so acquired speed is slowly decreasing

85v=-500,000\frac{\mathrm{d} v}{\mathrm{d} t}

85dt=-\frac{dv}{v}

Integrating both sides

85\int_{0}^{t}dt=-500,000\int_{20.83}^{6.944}\frac{dv}{v}

85t=500,000\ln \frac{1}{3}

t=6462.425 s

t=1.8 hr

4 0
3 years ago
Which of these describes static electricity?
jarptica [38.1K]
The correct answer Temporary charge
5 0
3 years ago
Read 2 more answers
How many newtons of force
Alisiya [41]

The amount of force needed by the truck to move the boulder is 200 N.

<h3>Force:</h3>

This can be defined as the product of mass and acceleration. The S.I unit of force is Newton or kgm/s²

To calculate the newton's of force a block needs to move, we use the formula below.

Formula:

  • W = Fd............. Equation 1

Where:

  • W = Work done by the truck
  • F = Force applied on the boulder
  • d = Distance moved by the boulder

Make F the subject of the equation

  • F = W/d................. Equation 2

From the question,

Given:

  • W = 2400 J
  • d = 12 meters

Substitute these values into equation 2

  • F = 2400/12
  • F = 200 N

Hence, the amount of force needed by the truck to move the boulder is 200 N.

Learn more about force here: brainly.com/question/12970081

7 0
3 years ago
How to understand that an inductor behaves like short circuit and capacitor like an open circuit in steady state in a network?
garik1379 [7]
It depends on the steady-state frequency. At zero frequency an inductor behaves like an open circuit. As the frequency increases, the inductor acts more like an open circuit and a capacitator acts more like a short circuit
8 0
3 years ago
On the same spring day, a station near the equator has a surface temperature of 25°C, 15°C higher than the middle-latitude city
DedPeter [7]

Answer:

The air temperature at the tropopause is - 79 °C

Explanation:

We know that a station near the equator has a surface temperature of 25°C

Vertical soundings reveal an environmental lapse rate of 6.5 °C per kilometer.

The tropopause is encountered at 16 km.

In order to find the air temperature at the tropopause we are going to deduce a linear function for the temperature at the tropopause.

This linear function will have the following structure :

f(x)=ax+b

Where ''a'' and ''b'' are real numbers.

Let's write T(x) to denote the temperature '' T '' in function of the distance

'' x '' ⇒

T(x)=ax+b

We can reorder the function as :

T(x)=b+ax (I)

Now, at the surface the value of ''x'' is 0 km and the temperature is 25°C so in the function (I) we write :

T(0)=25=b+a(0) ⇒ b=25 ⇒

T(x)=25+ax (II)

In (II) the value of ''a'' represents the change in temperature per kilometer.

Because the temperature decrease with the height this number will be negative and also a data from the question ⇒

T(x)=25-(6.5)x (III)

In (III) we deduced the linear equation. The last step is to replace by x=16 in (III) ⇒

T(16)=25-(6.5)(16)=-79

The air temperature at the tropopause is - 79 °C

6 0
3 years ago
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