Select the correct option:

I) A magnetic needle responds to the Earth’s magnetic field.

II) A magnetic needle gets deflected when a magnet is brought near it.

III) A magnetic needle is made up of a non-magnetic material.

I and II are correct

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I and III are correct

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only I is correct

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only II is correct

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Solution

The correct option is A
I and II are correct

A magnetic needle is made up of a magnetic material and it responds to the Earth’s magnetic field. Also, it gets deflected by magnets.

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Why does a magnetic compass needle pointing north and south in the absence of a nearby magnet gets deflected when a bar magnet or a current carrying loop is brought near to it. Describe some salient features of magnetic lines of field concept.

Q. A magnetic needle shows identical deflections in two cases, first when one magnet is placed normal to the earth's magnetic field with its centre at a distance of

20

cm from the centre of the magnetic needle, and second when another one is placed with its centre at a distance of

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cm from the centre of the needle. The correct ratio of the magnetic moments of the two magnets is?

Select the correct options(s):

I) A magnetic needle responds to the Earth’s magnetic field.

II) A magnetic needle gets deflected when a magnet is brought near it.

III) A magnetic needle is made up of a non-magnetic material.

Q. Study the given statements and identify the correct statements.
(i) A magnetic compass is used to show the directions.
(ii) The needle of a magnetic compass is magnetic.
(iii) The needle of a magnetic compass always aligns with the north and the south directions of the earth.

Q. Statement I: When the current is switched on through a wire, a compass needle kept nearby gets deflected from its north-south position.
Statement II: Electric current shows only magnetic effect.

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Select the correct option: I) A magnetic needle responds to the Earth’s magnetic field. II) A magnetic needle gets deflected when a magnet is brought near it. III) A magnetic needle is made up of a non-magnetic material.

The correct option is A I and II are correct A magnetic needle is made up of a magnetic material and it responds to the Earth’s magnetic field. Also, it gets deflected by magnets.

Select the correct option:

I) A magnetic needle responds to the Earth’s magnetic field.

II) A magnetic needle gets deflected when a magnet is brought near it.

III) A magnetic needle is made up of a non-magnetic material.

The correct option is A
I and II are correct

A magnetic needle is made up of a magnetic material and it responds to the Earth’s magnetic field. Also, it gets deflected by magnets.