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kupik [55]
3 years ago
14

Social media is not always safe when?​

Physics
1 answer:
Reika [66]3 years ago
3 0

Answer:

social media is not safe when u start talking to creepy stalker or people who comment about ur body rather than that social media helps make good friend

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The electricity received at an electrical substation has a potential difference of 20,000 V. What should the ratio of the turns
iren2701 [21]

The turn ratio of the transformer is 40.

<h3 />

<h3>What is a transformer?</h3>

A transformer is an electrical device that is used to step up or step down voltage.

The formula for calculating the turns ratio of a transformer is given below.

<h3> Formula</h3>
  • a = V/v.......... Equation 1

Where:

  • V = Primary voltage
  • v = Secondary voltage
  • a = Turns ratio of the transformer

From the question,

Given:

  • V = 20000 V
  • v = 500 v

Substitute the values above into equation 1

  • a = 20000/500
  • a = 40.

Hence, The turn ratio of the transformer is 40.

Learn more about transformers here: brainly.com/question/6450076

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2 years ago
Which of the following is not found in dry air?
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C.water vapor i hope i helped

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Explain which planets have seasons and why some planets have none at all.
Sergeu [11.5K]

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Some planets have seasons some don't bc of the distance from the sun some of them are too cold or too hot to have seasons

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Why does data need to be reliable
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