Alternating Current (AC) by Tesla: Alternating current, or AC, is a type of electric current that changes direction many times every second. It was invented by Nikola Tesla, a famous inventor. Unlike direct current (DC), which flows in one direction, AC moves back and forth. This makes it very useful for sending electricity over long distances to homes and buildings. Most of the electricity we use every day is AC because it is more efficient and easier to control.

Nikola Tesla was a famous inventor who lived a long time ago. He was born in Serbia in 1856. Tesla was very interested in electricity when he was a young boy. He wanted to understand how it worked and how he could use it to make amazing things.

Tesla moved to America when he was twenty eight. He worked with another famous inventor, Thomas Edison, for a little while. But soon, Tesla started his own experiments with electricity. He invented many things that we still use today, like the alternating current (AC) system that powers our homes.

One of Tesla’s most famous inventions was the Tesla coil. This special coil could create very high voltages of electricity. Tesla used the coil to make lightning bolts in his laboratory. People were amazed by his demonstrations!

Tesla also had big dreams for the future. He wanted to build a wireless communication system that could send messages around the world without wires. Although he never finished this project, his ideas laid the foundation for technologies like radio and Wi-Fi.

Even though Tesla wasn’t always recognized during his lifetime, today he is remembered as one of the greatest inventors in history. His work has changed the way we live and think about electricity.

A bad end for such a great inventor

Nikola Tesla died in New York City, USA, on January 7, 1943. He was 86 years old. He spent his last years living alone in a hotel room. Tesla had health problems and no money. Despite his earlier successes as an inventor, he was poor and forgotten by many.

Comprehension Questions:

1. Where was Nikola Tesla born?

A) AmericaB) Serbia

C) EnglandD) France

2. What was one of Tesla’s famous inventions?

A) The light bulbB) The telephone

C) The alternating current (AC) systemD) The bicycle

3. What did Tesla use his Tesla coil for?

A) Making musicB) Cooking food

C) Creating lightning boltsD) Heating water

4. What did Tesla dream of building?

A) A flying car

B) A time machine

C) A wireless communication system

D) A robot army

5. How is Tesla remembered today?

A) As a famous singer

B) As one of the greatest inventors in history

C) As a professional athlete

D) As a famous chef

6. Who did Tesla work with before starting his own experiments?

A) Isaac NewtonB) Albert Einstein

C) Thomas EdisonD) Leonardo da Vinci