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Molodets [167]
4 years ago
11

What is the answer to this question?

Physics
1 answer:
sesenic [268]4 years ago
8 0

Answer:                Unknown

Explanation:         ???

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A closed curve encircles several conductors. The line integral around this curve is (image attached below)
Masteriza [31]

The net current in the conductors and the value of the line integral

  • I=\frac{3.2\cdot 10^{-4}}{4\pi \cdot 10^{-7}}=254.77\, A
  • The resultant remains same 3.2 *10^4 Tm

This is further explained below.

<h3>What is the net current in the conductors?</h3>

Generally,

To put it another way, the total current In flowing across a surface S (contained by C) is proportional to the line integral of the magnetic B-field (in tesla, T).

\oint_C \mathbf{B} \cdot \mathrm{d}\boldsymbol{\ell} = \mu_0 \iint_S \mathbf{J} \cdot \mathrm{d}\mathbf{S} = \mu_0I_\mathrm{enc}

I=\frac{3.2\cdot 10^{-4}}{4\pi \cdot 10^{-7}}=254.77\, A

B)

In conclusion, It is possible for the line integral to go around the loop in either direction (clockwise or counterclockwise), the vector area dS to point in either of the two normal directions and Ienc, which is the net current passing through the surface S, to be positive in either direction—but both directions can be chosen as positive in this example. The right-hand rule solves these ambiguities.

The resultant remains the same at 3.2 *10^4 Tm

Read more about conductors

brainly.com/question/8426444

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5 0
2 years ago
2075 Set A Q.No. 106 A Carnot engine has 40% efficiency with a sink at 10°C. By how many degrees should the temperature of the s
Anni [7]

Answer:

Explanation:

Efficiency of a Carnot engine = 1 – (T2/T1) ;

where T1 = source temperature  and T2 = sink temperature

T2 = 10⁰C = 273+10 = 283K

The initial efficiency = 40%

So 0.4 = 1 - (283/Initial T1)

Initial T1 = 283/(1-0.4) = 471.67 K

 

To raise efficiency to 65%

0.65 = 1 - (283/Increased T1)

Increased T1 = 283/(1-0.65) = 808.57 K

The source temperature must be increased by 808.57 - 471.67 = 336.9 K or 336.9°C.

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3 years ago
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How to calculate sound of an echo ​
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by an echo meter

please flw me and thank my answers

#Genius kudi

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3 years ago
After examining a sequence of horizontal sedimentary rocks, a geologist determines that there is a considerable span of time for
WARRIOR [948]
I'm not 100 percent sure but I think the correct answer is B. Disconformity.
6 0
3 years ago
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Hydrogen is in Group 1A of the periodic table, known as the alkali metals, although it obviously isn't a metal. What is the reas
Contact [7]

Answer:A

Explanation:Hydrogen has only 1 electron.

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