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rodikova [14]
3 years ago
13

What determines magnetism?

Physics
1 answer:
adelina 88 [10]3 years ago
6 0
The magnetic form of a substance can be determined<span> by examining its electron configuration: if it shows unpaired electrons, then the substance is paramagnetic; if all electrons are paired, the substance is diamagnetic.</span>
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An is a representation of something in the natural world .
garik1379 [7]

A Representation of something in the natural world is A Scientific Law

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3 years ago
If one has twice the length of the other, what is the ratio of the diameter of the longer wire to the diameter of the shorter wi
hram777 [196]

Explanation:

The resistance of a wire is given by the formula as follows :

R=\rho \dfrac{l}{A}

l is length of wire

A is area of cross section, A=\pi r^2

Since, r=d/2, d = diameter

A=\pi \dfrac{d^2}{4}

It is given in the problem that the resistance of two aluminum wires is same.

R_1=R_2\\\\\rho\dfrac{L_1}{\pi d_1^2/4}=\rho\dfrac{L_2}{\pi d_2^2/4}\\\\\dfrac{L_1}{L_2}=\dfrac{d_1^2}{d_2^2}

We have, L₁=2L₂

So,

\dfrac{2L_2}{L_2}=\dfrac{d_1^2}{d_2^2}\\\\\dfrac{d_1^2}{d_2^2}=2\\\\\dfrac{d_1}{d_2}=\sqrt{2}

So, the ratio of the diameter of the longer wire to the diameter of the shorter wire is \sqrt2:1

6 0
3 years ago
How do mathematical models help us learn about conditions inside the sun?
GuDViN [60]

Answer:

Mathematical models use the observed composition and mass of the Sun along with the laws of physics to derive equations that describe the gravitational equilibrium, solar thermostat, and rate at which energy moves from the core to the photosphere.

Explanation:

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3 0
2 years ago
Kahalagahan ng diagram​
timama [110]

  • <em>m</em><em>ahalaga ito upang mas mapaliwanag mo ng maayos at klaro ang isang bagay o pangyayari.</em>

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5 0
2 years ago
Read 2 more answers
A spring has a spring constant of 330 n/m. how far is the spring compressed when 150 newtons of force are used?
vitfil [10]

Answer:

b. 0.45 meters

Explanation:

Given the following data;

Spring constant, k = 330 N/m

Force = 150 N

To find the extension of the spring;

Mathematically, the force exerted on a spring is given by the formula;

Force = spring constant * extension

Substituting into the formula, we have;

150 = 330 * extension

Extension, e = 150/330

Extension, e = 0.45 meters

7 0
2 years ago
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