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timama [110]
3 years ago
15

How to do gizmos for science

Physics
1 answer:
Savatey [412]3 years ago
7 0
First you need to have an account.
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Two solenoids are equal in length and radius, and the cores of both are identical cylinders of iron. However, solenoid A has fou
Ira Lisetskai [31]

Answer:

\dfrac{L_A}{L_B}=16

Explanation:

\mu_0 = Vacuum permeability = 4\pi \times 10^{-7}\ H/m

n = Number of turns

A = Area

I = Current

Self inductance is given by

L=\mu_0n^2IA

Here, A has more turns so the self-inductance of A will be higher

For A

L_A=\mu_0n_A^2IA=\mu_0(4n_B)^2IA     [\because n_A=4n_B]

For B

L_B=\mu_0n_B^2IA

Dividing the above two equations we have

\dfrac{L_A}{L_B}=\dfrac{\mu_0(4n_B)^2IA}{\mu_0n_B^2IA}\\\Rightarrow \dfrac{L_A}{L_B}=16

\therefore \dfrac{L_A}{L_B}=16

3 0
3 years ago
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List three signs that could make you think that a chemical reaction was taking place.
algol13
1. Release of gases
2. Bubbling 
3. And change in color- this one can also be for a physical change.

Hope this helps.
 
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If someone looks far enough into space, they should be able to see the beginning of the universe true of false
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  • Potential energy is the stored energy in any object or system by virtue of its position or arrangement of parts..

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Where,

. m is the mass in kilograms

. g is the acceleration due to gravity

. h is the height in meters

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What is nuclear fission? why is this process important to stars?
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Nuclear fusion is a reaction in which two or more atomic nuclei come very close and then collide at a very high speed and join to form a new nucleus. This process is important to stars because they get their energy from the nuclear fusion process

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