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Nadya [2.5K]
3 years ago
6

HELP ASAP! PLEASEEEE ​

Physics
1 answer:
Lady_Fox [76]3 years ago
5 0

Explanation:

Sorry i had to post it here. This is for the chemistry question on The top

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Consider two transformers. Transformer A has 300 turns on its primary and 500 turns on its secondary. Transformer B has 250 turn
rusak2 [61]

Answer:

Secondary voltage on second transformer is 200 volt.

Explanation:

It is given two transformer

Let us consider first transformer.

Number of turns in primary N_p=300

Numb er of turns in secondary N_s=500

Now consider second transformer

Number of turns in primary N_p=250

Number of turns in secondary N_s=1000

Now it is given that same voltage of 50 volt is applied to primary of both the transformer.

For second transformer

\frac{N_p}{N_s}=\frac{V_p}{V_s}

\frac{250}{1000}=\frac{50}{V_s}

V_s=200volt

So secondary voltage on second transformer is 200 volt

4 0
4 years ago
How Do The Northern Lights work?
pishuonlain [190]

1.) Electrons go back into like a lower energy level then would be release a thing called a photon light.

2.) I'm not sure on the correct numbers exactly but if I remember correctly around 70-80 percent is nitrogen, around 20-25 is percent oxygen, 0.9 percent is argon, and 0.1 percent other gases. 

3.) Glass is made from sand at least that's one popular element of making sand. one gathered, they are put into a high temperature and would soon make glass coming out of it within time.

6 0
3 years ago
A 1kg skateboard sits at the top of a ramp 20 fr off the ground . How much potential energy does it have ?
Finger [1]

Answer:

196J

Explanation:

Given parameters:

Mass of skateboard  = 1kg

Height off the ground  = 20m

Unknown:

Potential energy  = ?

Solution:

The potential energy is the energy due to the position of a body above the ground.

It is mathematically expressed as:

      Potential energy  = mass x acceleration due gravity x height

     Potential energy  = 1 x 9.8 x 20  = 196J

8 0
3 years ago
How can a small human retina detect objects larger than itself?
muminat

The correct answer would be A) the lenses of the eye change the size of images

5 0
3 years ago
What do you understand by waves. what is the equation?
kipiarov [429]
A wave is a perturbation in a material from the point the perturbation was produced, to the sorrounding area

5 0
3 years ago
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