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wel
3 years ago
15

Which of the following

Physics
2 answers:
rusak2 [61]3 years ago
7 0
Plastic does not attract to a magnet. This is because all of the other optional have metals that magnets attract to. Plastic is not made of metal. Plz mark me brainiest. Hope this helps!
Elza [17]3 years ago
5 0

Option B is right answer...

please mark me as Brainlist...

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A 290-turn solenoid having a length of 32 cm and a diameter of 11 cm carries a current of 0.30 A. Calculate the magnitude of the
iris [78.8K]

The magnitude of the magnetic field inside the solenoid is 3.4×10^(-4) T.

To find the answer, we need to know about the magnetic field inside the solenoid.

<h3>What's the expression of magnetic field inside a solenoid?</h3>
  • Mathematically, the expression of magnetic field inside the solenoid= μ₀×n×I
  • n = no. of turns per unit length and I = current through the solenoid
<h3>What's is the magnetic field inside the solenoid here?</h3>
  • Here, n = 290/32cm or 290/0.32 = 906

I= 0.3 A

  • So, Magnetic field= 4π×10^(-7)×906×0.3 = 3.4×10^(-4) T.

Thus, we can conclude that the magnitude of the magnetic field inside the solenoid is 3.4×10^(-4) T.

Learn more about the magnetic field inside the solenoid here:

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2 years ago
The temperature of water in a beaker is 45°C. What does this measurement represent?
Tasya [4]

Answer:

the average kinetic energy of water particles - C.

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3 years ago
Which statement is true about how early humans met their needs?
Black_prince [1.1K]

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3 years ago
A computer base unit of mass 7.5 kg is dragged along a smooth desk. If the normal contact force is 23N and the tension in the ar
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<span>If there isn't any force then the normal contact force will be 


N=m*g=7.5*9.81=73.58N 

which is 73.58-23=50.58N less 

so, there the person must pull at 23 degree upward 

break down the tension in two components, vertical and horizontal. 


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T=50.58/sin23=129.45N</span>
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3 years ago
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If a 4N weight is hung on a spring, and it extends by 0.2m, what is the spring constant (k)?
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Explanation:

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4 0
3 years ago
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