Английский_проект_Миниахметов_Артём

1.

Ural State Mining University
DIFFERENCE BETWEEN
A. C. AND D. C.
Group EGP-24
Completed:
- Miniakhmetov Artem
- Kuznetsov Dmitriy
- Grigoriev Arseniy
- Gafarov Albert
- Aseyinov Bayel
- Brusnitsyn Mikhail
Checked:
Doctor of Philological Sciences – Yusupova Lyalya Gainullovna
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2.

Ural State Mining University
Introduction to D.C. and A.C.
Electricity is a vital part of our lives, powering
everything from small household devices to
large industrial machines.
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3.

Ural State Mining University
What Is Direct Current (D.C.)?
Direct current (D.C.) is an electric
current that flows continuously in one
direction through a conducting circuit.
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4.

Ural State Mining University
Interesting Fact about D.C.
solar panels
electric vehicles
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5.

Ural State Mining University
What Is Alternating Current (A.C.)?
Alternating current (A.C.) is a
type of current that continually
reverses its direction.
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6.

Ural State Mining University
Interesting Fact about A.C.
Nikola Tesla developed the A.C.
system we use today, demonstrating
its efficiency over D.C. for longdistance power transmission.
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7.

Ural State Mining University
Key Differences Between D.C. and A.C.
1. Direction of Flow
Direct Current (D.C.) flows in a single direction
through a conductor, remaining constant in
direction, though its magnitude may vary.
Alternating Current (A.C.), on the other
hand, constantly changes direction.
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8.

Ural State Mining University
2. Transmission of Electric Power
High voltage is essential for the economical
transmission of electric power over long distances.
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9.

Ural State Mining University
3. Use of Transformers
Alternating Current can be easily
transformed, meaning its voltage can be
changed using transformers. This allows
for high voltage transmission and safe,
low voltage distribution to consumers at
the endpoint.
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10.

Ural State Mining University
4. Energy Loss and Efficiency
A.C. loses less energy during
transmission over long distances because
transformers can adjust its voltage,
reducing energy loss.
D.C. loses more energy over long
distances, mainly due to the higher cost
and difficulty of using transformers. D.C.
is more practical for shorter distances or
specific purposes, like in electronic
devices or applications requiring stable
power without transmission.
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11.

Ural State Mining University
5. Environmental Impact
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12.

Ural State Mining University
Applications of D.C. and A.C.
D.C. Applications:
D.C. is commonly used in batteries, electronics,
and other devices that need stable power.
A.C. Applications:
A.C. is the primary current type for power grids, supplying
electricity to homes, businesses, and industries.
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13.

Ural State Mining University
Conclusion
Both D.C. and A.C. currents are essential for modern technology and
infrastructure. D.C. offers a stable, consistent current, making it ideal
for portable electronics and renewable energy systems. In contrast,
A.C. is the backbone of power distribution systems worldwide,
enabling efficient, long-distance transmission.
Together, D.C. and A.C. support a wide range of applications,
providing flexibility and functionality to meet the demands of modern
life.
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14.

Ural State Mining University
THANK YOU FOR YOUR ATTANTION!!!
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