# State whether the following statements are true or false:$(i)$. A cylindrical magnet has only one pole.$(ii)$. Artificial magnets were discovered in Greece.$(iii)$. Similar poles of a magnet repel each other.$(iv)$. Maximum iron filings stick in the middle of a bar magnet when it is brought near them.$(v)$. Bar magnets always point towards North-South direction.$(vi)$. A compass can be used to find East-West direction at any place.$(vii)$. Rubber is a magnetic material.

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$(i)$. A cylindrical magnet has only one pole.

[False]

Because every magnet has two poles named as north pole and the south pole.

$(ii)$. Artificial magnets were discovered in Greece.

[False]

The only natural magnet was discovered in Greece. Sturgeon,  an English physicist invented the electromagnet in 1824. This electromagnet was made of 18 turns of bare copper wire.

$(iii)$. Similar poles of a magnet repel each other.   [True]

$(iv)$. Maximum iron filings stick in the middle of a bar magnet when it is brought near them.

[False]

A magnet bar contains maximum magnetic strength near its ends, so iron filing must have been stuck near its ends.

$(v)$. Bar magnets always point towards North-South direction.

[True]

When a bar magnet is suspended freely, it always points towards North-South direction.

$(vi)$. A compass can be used to find East-West direction at any place.

[True]

A compass determines the North-South direction. Once North-South direction is found, then it is very easy to find East-West direction at any place.

$(vii)$. Rubber is a magnetic material.

[False]

As rubber does not get attracted by a magnet, so it is a non-magnetic material.

Updated on 10-Oct-2022 13:31:52