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Morgarella [4.7K]
3 years ago
5

A circular loop of wire with a radius of 20 cm lies in the xy plane and carries a current of 2 A, counterclockwise when viewed f

rom a point on the positive z axis. Its magnetic dipole moment is
Physics
1 answer:
Zina [86]3 years ago
6 0

To solve this problem we will apply the concept related to the magnetic dipole moment that is defined as the product between the current and the object area. In our case we have the radius so we will get the area, which would be

A=\pi r^2

A =\pi (0.2)^2

A =0.1256 m^2

Once the area is obtained, it is possible to calculate the magnetic dipole moment considering the previously given definition:

\mu=IA

\mu=2(0.1256)

\mu=0.25 A\cdot m^2

Therefore the magnetic dipole moment is 0.25A\cdot m^2

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Melting Ice is what kind of reaction
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Answer:

Answer is Endothermic Reaction

Explanation:

Basically, melting ice is an endothermic reaction because the ice absorbs (heat) energy, which causes a change to occur.

I hope it's helpful!!

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If the pitch of the sound coming out of a speaker increases, which statement is true about the sound wave?
S_A_V [24]

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frequency and amplitude increases

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Types of media that can influence one's social development include all of the following except
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If there is no electric current flowing through a wire then what happens to the magnetic field
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The Atwood machine consists of two masses hanging from the ends of a rope that passes over a pulley. Assume that the rope and pu
Kisachek [45]

Answer:

a=2.36\ m/s^2

T=157.06 N

Explanation:

Given that

Mass of first block = 21.1 kg

Mass of second block = 12.9 kg

First mass is heavier than first that is why mass second first will go downward and mass second will go upward.

Given that pulley and string is mass  less that is why both mass will have same acceleration.So lets take their acceleration is 'a'.

So now from force equation

m_1g-m_2g=(m_1+m_2)a

21.1 x 9.81 - 12.9 x 9.81 =(21.1+12.9) a

a=2.36\ m/s^2

Lets tension in string is T

m_1g-T=m_1a

T=m_1(g-a)

T=21.1(9.81-2.36) N

T=157.06 N

6 0
3 years ago
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