Discovery of Magnets

IMPORTANT

Discovery of Magnets: Overview

This topic covers concepts, such as Electromagnetic Crane, Natural Magnet, Artificial Magnet, Magnetite, Cylindrical Magnet, Ball-Ended Magnet, Magnet, Discovery of Magnets, etc.

Important Questions on Discovery of Magnets

EASY
IMPORTANT

A freely suspended magnet always rests pointing in the North-South direction. This property is called _____ property.

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What is the other name for leadstone which is a magnetic rock named due to its directive property?

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Which one of the following is a natural magnet? 
(Choose from lodestone or bar magnet).

HARD
IMPORTANT

A cylindrical magnet has only one pole.

HARD
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The cylindrical magnet has very high levels of magnetism from a relatively small surface pole area.

HARD
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Artificial magnets are prepared in cylindrical shapes also.

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This is a cylindrical type of magnet.

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Which magnet is prepared in a cylindrical shape with the balls at each end?

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Correct the statement given below:

Bar magnet is prepared in a cylindrical shape with the balls at the end.

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Which one of the following is a ball-ended magnet?

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A ball ended magnet is an example of a natural magnet. 

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What is ball ended magnet?

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_____ is a natural magnet.

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Identify the types of artificial magnets from the given list.

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Raman had four objects P, Q, R and S in his bag. He wanted to know whether they were magnets or not. He placed each object near a paper clip, iron rod and a pencil.
He observed and recorded the data as given.

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Which of the following are magnets?

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Name the country in which magnet was discovered.

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What is a magnetite (lodestone) called now?

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Read the given statement. Find out the appropriate answer for it and then search the word.

M A G N E T
A P O L E O
T Y C T A I
I N O R T H
O B B S P C
M C A O T P
N Q L U S W
B Z T T X R
S Y T H O B

A natural stone that attracts iron and steel materials.

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You see some metal stickers stuck to the door of a fridge in the picture given below.

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What is there in those stickers which make them stick to the iron doors?

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Some pins are attached to the top or cap of the pin holder in the image given below.

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What could be there in the cap of the pin holder?