Nikola tesla

A hint : alternating current

nikola tesla

• He was an inventor and an engineer
• Date of birth : 10th of July 1856, in Smiljan, Austrian Empire
• Date of death : 7th of February, in New York City, USA
• Family's origins : Serbia
• From an early age, Tesla was able to perfom complicated mathematical calculations in his head

A few dates

• Civil servant at the Hungarian Central Telegram Office

• He entered the Polytechnic school in Graz, Austria

1881

1875

• Moved to Paris
• Thomas Edison's Continental Edison company

• Immigrated to the USA
• Sold the invention right to his system of dynamos, transformers and alternating currents motors to George Westinghouse

1882

1884

Tesla and Edison

• Tesla proposed to work on alternating current to solve New York's electricity's problems
• Edison initially disagreed, then eventually agreed, and promised a $50,000 reward to Tesla, if he succeeded.
• He didn't keep his promise
• 1885 : Tesla resigned from Edison's company
• Edison started a misleading campaign
• No longer friends but rivals

Thomas Edison American inventor and businessman

Famous inventions

• 1891: The Tesla coil (widely used in radio technology)
• 1897: He registered the patents for the first radio system

• The most productive inventor ever known
• 300 patents (not-counting his non-patented and stolen works)

• Discovered and fathered the rotating magnetic field and developed the three-phase system

Guglielmo Marconi : italian inventor and electrical engineer

Link the words

Now that you know more about Nikola Tesla, are you able to reconstruct the sentences ?

Complicated mathematical calculations in his head

Tesla was born :

From an early age, Nikola was able to perform :

In 1884

In 1856

In 1875, he entered :

The Polythechnic school in Graz

He discovered and fathered :

The rotating magnetic field and developed the three-phase system

He immigrated to the USA in :

Link the words

Now that you know more about Nikola Tesla, are you able to reconstruct the sentences ?

To solve New York's electricity's problems, he proposed to :

The first radio system

Work on alternating current

He invented the Tesla coil :

In 1897, he registered the patent for :

Filed an earlier patent

Marconi falsely claimed to have :

In 1891

2. Differences between direct current & alternating current

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3. Different inventions that are still used today

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A few inventions

Tesla's coil

• An electrical transformer that uses high-frequency alternating current to increase voltage
• Was primarily interested the potential to wirelessly transmit electricity
• Hoped to build large coils all around Earth, each of which would provide power to any device with a receiver coil

A few inventions

X-ray

• Started making test with radiation energy in 1894
• Even after the fire, continued his research
• Created a shadowgraph and tested on foot and hand
• Showed how it would benefit to medicine

German physics professor Wilhelm Röntgen