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nataly862011 [7]
3 years ago
7

A 2.0 m conductor is formed into a square and placed in the horizontal xy-plane. Magnetic field is oriented 30.0° above the hori

zontal with a strength of 1.0 T. What is the magnetic flux through the conductor
Physics
1 answer:
Sloan [31]3 years ago
6 0

Answer:

The magnetic flux through the conductor is   0.125\, T.m^{2}

Explanation:

Given

Perimeter of square = 2.0 m

Magnetic field strength , B = 1.0 T at 30 degree with the horizontal

Therefore angle of magnetic field with the normal , \Theta =(90-30)^{\circ}=60^{\circ}

Let side of square be a

\therefore 4a= 2.0\, m=>a=0.5\, m

Therefore area of square is given by

A=a^{2}=0.5^{2}\, m^{2}=0.25\, m^{2}

Magnetic flux through the conductor is given by

\phi =BA\cos \Theta =1.0\times 0.25\times \cos (60^{\circ})\, T.m^{2}

=>\phi =0.125\, T.m^{2}

Thus the magnetic flux through the conductor is 0.125\, T.m^{2}

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Shalnov [3]

Answer:

1083.3kg/m ³

Explanation:

Given parameters:

Mass of aluminium ball = 3.4kg

Apparent mass of ball = 2.1kg

Unknown:

Density of the liquid = ?

Solution:

Density is is the mass per unit volume of any give substance;

         Density = \frac{mass}{volume}

     Now, we must understand that the apparent weight of the aluminium is the part of its weight supported by the fluid;

     

   Pl = \frac{Ml}{Vl}

   Pl = density of liquid

   Ml = mass of liquid

   Vl = volume of liquid

 Mass of liquid = Mal - Mapparent

       Mal = mass of aluminium

The volume of liquid displaced is the same as the volume of the aluminium according to Archimedes's principle;

              Ml = Pl x Vl

      Val = Vl

      Val volume of aluminium

      Vl = volume of liquid

            ****

        Pal = \frac{Mal}{Val}

       Val = \frac{Mal}{Pal}

       Val = volume of aluminium

       Mal = mass of aluminium

       Pal = density of aluminium

   *****

      Since the Val = Vl

          Ml = Pl x \frac{Mal}{Pal}

    Since

          Ml = Mal - Mapparent

                Mal - Mapparent  = Pl  x \frac{Mal}{Pal}

Pal = density of aluminium = 2712 kg/m ³

             3.4 - 2.1 = Pl x \frac{3.4}{2712}

                 1.3 = Pl x 0.00123

                    Pl = 1083.3kg/m ³

       

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Hope this helps

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Answer:

Explanation:

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From Literature:

The amount of energy in the photons is given by this equation:

E = hf

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Given:

E= 3.00 eV and Planck's constant 

To solve for the frequency, E = 3.00 eV

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7 0
4 years ago
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Drupady [299]

Answer:

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