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प्रश्न
An induction motor is a commonly used electrical machine. What examples of its use are given here?
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उत्तर
Induction motors are utilised in fans, air conditioners, sewing machines, cameras, power tools, automobiles, and even train and plane engines.
संबंधित प्रश्न
Break the passage into convenient smaller sections.
Give sub-headings or titles to each section.
Find out more about the following scientist with the help of the internet.
Humphry Davy
Find out more about the following scientist with the help of the internet.
Thomas Edison
Think of as many examples of the following as you can within five minutes and write them in the appropriate column.
| Type of machine | Examples |
| Simple machines that are operated by hand |
|
| Machines that run on electricity | |
| Electronic devices |
Write as many uses of the following as you can. Form groups of four. Compare your lists. Make a long list by putting together the lists of all members.
- A cloth bag
- a wicker basket
- a glass bottle or jar
- a steel bowl
- a thick string or rope
Before you read further, guess what the passage is about.
What is the meaning of:
Electricity became a lifelong fascination?
Why do you think Faraday’s friend gave him a free ticket to Davy’s programme?
Guess the meaning of mentor.
Why did Davy choose Faraday as his secretary?
How did Faraday respond to that treatment?
What happens when an electric current is applied to a wire?
Give one example to show that Faraday was a good pupil.
Give one example to show that Davy was not a good mentor.
Why were Faraday’s drawings not accepted?
Does it mean they were wrong?
Try out the experiment of the iron filings and the magnet.
epitomises: is a perfect example of.
Find the following matter in the passage and copy the missing word.
When he was twelve, ______ school ______.
Find the following matter in the passage and copy the missing word.
One day he came across a book on ______.
Find the following matter in the passage and copy the missing word.
People started telling Davy that ______ discoveries, ______.
Find the following matter in the passage and copy the missing word.
He went on to prove that ______ filings;
Find the following matter in the passage and copy the missing word.
It was Maxwell who ______ equations ______.
Now complete the following sentence using your own word.
When he was twelve, ______.
Now complete the following sentence using your own word.
He never believed ______.
Now complete the following sentence using your own words.
He handed him ______ which ______.
Now complete the following sentence using your own word.
It was ______ who ______.
