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Charra [1.4K]
3 years ago
12

The magnetic domains in a non-magnetized piece of iron are characterized by which orientation

Physics
1 answer:
mel-nik [20]3 years ago
3 0
The unmagnetized pieces of iron would be randomly pointing to directions, this is true because although influenced with the magnetic domain, the direction of the unmagnetized iron field of attraction is not uniform or does not have preferred direction.
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The crest of one wave with an amplitude of 4 m meets up with the crest of a second
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A source charge generates an electric field of 4286 N/C at a distance of 2. 5 m. What is the magnitude of the source charge? (Us
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The magnitude of the source charge is 3 μC which generates 4286 N/C of the electric field. Option B is correct.

What does Gauss Law state?

It states that the electric flux across any closed surface is directly proportional to the net electric charge enclosed by the surface.

Q = \dfrac {ER^2}k

Where,

E = electric force = 4286 N/C

k = Coulomb constant = 8.99 \times  10^9 \rm\ N m ^2 /C ^2

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r = distance of separation = 2.5 m

Put the values in the formula,

Q  = \dfrac {4286\times  2.5 ^2}{8.99 \times  10^9 }\\\\
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Therefore, the magnitude of the source charge is 3 μC.

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brainly.com/question/1249602

8 0
2 years ago
the measure of each exterior angle of a regular pentagon is ___ the measure of each exterior angle of a regular nonagon
Cerrena [4.2K]

Answer:

(a) 72°

(b) 40°

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180(n - 2)

Where n = number of sides of the polygon, in this case, 5.

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Therefore, each angle will be:

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Because the interior angle and exterior angle form a straight line (180°), the exterior angle of a regular pentagon will be:

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NONAGON

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Hence, the total angle in a polygon is

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Therefore, each angle will be:

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Because the interior angle and exterior angle form a straight line (180°), the exterior angle of a regular nonagon will be:

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The exterior angle of a regular Nonagon is 40°

4 0
3 years ago
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