Chemistry Middle School

ANSWER ASAP GIVING BRIAINLIEST AND STUFF!
(This is for science not the show transformers any troll answers will be reported)
What do different kinds of transformers do?

Answers

Answer 1

Answer:

There are three primary types of voltage transformers (VT):

Electromagnetic

Capacitor

Optical.

Explanation:

A capacitor voltage transformer (CVT), also known as capacitor-coupled voltage transformer (CCVT), is a transformer used in power systems to step down extra high voltage signals and provide a low voltage signal, for metering or operating a protective relay.

Optical Current Transformers and Optical Voltage Transformers, based on the Faraday and Pockels effect, are a new family of instrument transformers and an alternative to the conventional electric-magnetic transformers for protection and metering purposes.

An electromagnetic voltage transformer is a voltage transformer that converts a primary voltage into a secondary voltage by electromagnetic induction. This transformer does not add other electrical components such as capacitors that change the primary voltage.

Related Questions

Which has only one type of atom throughout?
A. compound
B. element
C. mixture
D. molecule

Answers

Answer:

D

Explanation:

I would say B. element

When this soldier was waiting in the plane for their jump, what type of energy did they have?

Answers

Answer:

kinetic energy

potential energy

Explanation:

kinetic energy when they were waiting

potential energy once they jumped off

Hope this helped!

kinetic while waiting potential when they jumped

What do you think of when you hear the words human impact?

Answers

Someone falling from somewhere high and falling to the ground
Human Impact on the world

What type of star has an absolute brightness of 1 and a surface temperature of around 7,500 °C?

The HR diagram is shown with Absolute Brightness on the y axis from negative four to six and Surface Temperature on the x-axis from 40,000 to 2,500 degrees Celsius. There are several dots plotted between four and six absolute brightness and 10,000 to 2,500 degrees Celsius labeled Supergiants. There are several dots plotted between 1.5 and three absolute brightness and 7,500 to 2,500 degrees Celsius labeled Giants. There are several dots plotted between negative four and negative two absolute brightness and 30,000 to 7,500 degrees Celsius labeled Dwarfs. Down the middle, there are several dots plotted diagonally from ordered pair 40,000 and five down to 2,500 and negative three labeled Main Sequence.
Select one:
a. Supergiant
b. Giant
c. Main sequence
d. Dwarf

Answers

Answer:

Main Sequence Stars or C

Explanation:

our star, the sun, being a main Sequence Star with an absolute brightness of 1 with a temp of about t 7500 °C gave me this answer

Help?
Describe a mineral in your own words.

Answers

a naturally occurring substance that has a specific chemical composition! there are 7 types and are usually in their pure form.

e.g. calcium and phosphorous
"A mineral is a homogeneous (which means composed of parts or elements that are all of the same kind) naturally occurring substance with a definite but not necessarily fixed chemical composition. Most minerals are solids with an ordered atomic arrangement, and most are inorganic in the chemical sense of that word".

Match the characteristics and elements to their group.

Answers

Answer:

Kr is a Noble Gas. Na is an alkali metal. F is halogen.

Group 17 is halogens. Inert is Noble Gases. Odourless and colourless is Noble Gases. Alkali metals do not occur freely in nature. Alkali metals are malleable

Explanation:

Jean-Paul is racing in the Tour de France bicycle race. He is moving along rapidly at a speed of 15 kilometers per hour. Suddenly, a strong wind begins to blow into his face. Jean-Paul cannot exert any more force on the pedals. What will happen to Jean-Paul's speed while the wind continues to blow against him?

Answers

he’ll slow down because the wind is blowing into his face

If the air resist his motion continuously, speed of Jean - Paul get reduced until he could apply an equal force in opposite direction to the wind.

What is force?

Force is an external agent acting on an object to change its state of motion or rest or to deform it. There are various kinds of force such as gravitational force, magnetic force, frictional force.

If there are two different forces acting from the same direction will add up together and the net force will be the sum of their magnitudes. If they are in opposite direction, they will balance each other will decreases the displacement.

Hence, the force from the air resistance will balance the force exerted by Jean Paul and his speed will decrease until he apply a greater force forwards.

Find more on balanced forces:

https://brainly.com/question/2517689

#SPJ6

In a well-constructed response explain the differences and similarities between Natural Selection and Selective Breeding

Answers

Natural selection and selective breeding can cause both animal and plant changes. The distinction between the two is that natural selection occurs without human intervention, while selective breeding occurs only when humans interfere. As a result, selective breeding is also known as artificial selection.
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