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19 Match meanings 1-8 with the words and phrases in bold from the text in Exercise 18

1 something newly designed or created ________________________________

2 a device, machine, or piece of equipment,

especially an electrical one, that is used in

the home _________________________________

3 asynchronous motor _________________________________

4 an electric current that flows in one

direction only (abb. DC) _________________________________

5 a form of electricity that regularly

changes direction as it flows, and that is

the form of electricity used in homes and

buildings (abb. AC) _________________________________

6 a change in something that makes it

better than it was before _________________________________

7 progress or a development in a

particular activity or area of understanding _________________________________

8 not needing wires to make a connection

or to communicate __________________________________

20 Work in pairs. Use the words from Exercise 19 to complete the gaps.

1They have a plan to link 9,700 office buildings to the Net via a high –speed _________ network.

2 The ____________ of the pressure cooker provided a method for cooking quickly.

3 We made some _______________ to the house before selling it.

4 We live in an age of rapid technological ___________

5 There are various _______ ______e.g cooker, microwave, toaster, washing machine, vacuum cleaner etc.

6 Where did Nikola Tesla invent the _______ _______?

7 ______ _______ began to become more popular in 1886 due to its ability to be transmitted long distances

over relatively small wires with minimal losses.

8______ _______ could only be transmitted a mile or two.

21 Watch the video. “Did Nikola Tesla Invent Free Energy?” Then work in pairs and discuss the questions.

1 Could it be that Nikola Tesla did invent free energy?

2 Why did J.P. Morgan decide to withdraw his support from Tesla’s projects?

3 What current inventions based on Tesla’s ideas do we use today?

Work in pairs. Complete extracts 1-8 from the video.

1 Serbian-born engineer Nikola Tesla was a ________________. His work on ___________, ________.

____________ and many other mass-market inventions revolutionized the twentieth century.

2 Some believed that Tesla’s free energy inventions were actually suppressed by___________________.

3 In the nineteenth century Tesla hypothesized that electrical power could be generated using__________.

4 Tesla had already demonstrated that power could be transferred __________.

5 Tesla envisaged a global network of high-voltage towers which would provide ____________________.

6 In fact two Russian scientists are currently raising funds to bring Tesla’s _________________________.

7 They plan to use solar panels on an upgraded Tesla Tower to___________________________________.

8 Fossil fuels remain ________________ and continue to generate ________________________________.

22 Work in small groups. Match the inventions with the prominent scientists who have impacted

Electrical and Electronic Engineering (EEE)

alternating current, remote control, phonograph, movie camera, diamagnetism,

wireless telegraphy, electricity distribution, carbon microphone, electromagnetic

induction, electrolysis, induction motor, the distribution of charge on surfaces,

the law of electrical and magnetic force.

1 Nikola Tesla ________________ 2 Thomas Edison ______________

________________ ______________

________________ ______________

________________ ______________

3 Michael Faraday ________________ 4 Charles de Coulomb _______________

________________ _______________

________________

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