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Talja [164]
3 years ago
5

SP 15The magnetic field in a region of space is measured to be:This field is known to be caused by a cluster of long-straight wi

res that are parallel to the z-axis. Find how much and in which direction the net current is flowing through the wires that pass through the rectangle whose corners are positioned at these points in the x, y plane: (0 cm, 0 cm), (2 cm, 3 cm), (3 cm, 0 cm)
Physics
1 answer:
tino4ka555 [31]3 years ago
8 0

Answer:

 i = 0.477 10⁴ B

the current flows in the  counterclockwise

Explanation:

For this exercise let's use the Ampere law

                    ∫ B . ds = μ₀ I

Where the path is closed

Let's start by locating the current vines that are parallel to the z-axis, so it must be exterminated along the x-axis and as the specific direction is not indicated, suppose it extends along the y-axis.

From BiotSavart's law, the field must be perpendicular to the direction of the current, so the magnetic field must go in the x direction.

We apply the law of Ampere the segment parallel to the x-axis is the one that contributes to the integral, since the other two have an angle of 90º with the magnetic field

Segment on the y axis

        L₀ = (y2-y1)

        L₀ = 3-0 = 3 cm

Segment on the point x = 2 cm

        L₁ = 3-0

        L₁ = 3cm

       B L = μ₀ I

       B 2L = μ₀ I

        i = 2 L B /μ₀

        i= 2 0.03 / 4π 10⁻⁷   B

        i = 4.77 10⁴  B

The current is perpendicular to the magnetic field whereby the current flows in the  counterclockwise

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which organ in our body produce longitudinal wave?

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Explanation:

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<em>✓ </em>

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The Sun appears at an angle of 48.4° above the horizontal as viewed by a dolphin swimming underwater. What angle does the sunlig
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Answer:

4.57 degree

Explanation:

As the dolphin is under water, so the angle is angle of refraction which is equal to 48.4 degree.

refractive index of water, n = 1.333

Let the angle of incidence which is the angle between the incident ray and the normal is i.

By use of Snell's law

n = \frac{Sin i}{Sin r}

1.333 = \frac{Sin i}{Sin 48.4}

Sin i = 1.333\times Sin 48.4 = 0.9968

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6 0
3 years ago
How does the science of heat transfer differ from the science of thermodynamics?
mariarad [96]

Answer:

The science of thermodynamics deals with the fundamental laws that guide how physical processes occur in relation with the energy transfer. When a system or process changes from one state of equilibrium to another, thermodynamics is interested with the amount of heat transfer during the process. On the other hand, the science of heat transfer is simply about the rate of heat and temperature distribution inside a system at a particular point in time.

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Sir William Herschel counted the number of stars in different directions, and getting similar numbers in each direction along th
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V125BC [204]

Answer:1.27

Explanation:

Given

incident angle i=36^{\circ}

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Suppose n_2 is the refractive index of material then using Snell's law we  can write

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3 years ago
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