What will happen to the position of the needle of the magnetic compass if you bring a bar magnet of known poles near it? Also state the effect when the other end of the bar magnet is brought near it.

The needle will move in random directions.

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The needle will align itself according to the poles of the magnet.

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The two ends of the needle will get attracted towards two opposite poles of the magnet.

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The needle will keep pointing towards Earth's geographical North.

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Solution

The correct options are
B The needle will align itself according to the poles of the magnet.
C The two ends of the needle will get attracted towards two opposite poles of the magnet.
If we bring a bar magnet near a magnetic compass, its needle will get deflected. When we bring North pole of a bar magnet near the magnetic compass, its needle will be deflected away from the magnet as shown in the first figure.

However, when we bring South pole of bar magnet near the magnetic compass, the needle will be deflected towards the magnet as shown in the second figure.

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When the North pole of a bar magnet is brought near the north pole of a freely suspended magnetic needle, the needle will get ___.

Question 16

Fig. shows a magnetic compass. What will happen to the position of its needle if you bring a bar magnet near it? Draw a diagram to show the effect of the needle on bringing the bar magnet near it. Also, draw the diagram to show the effect when the other end of the bar magnet is brought near it.

Q. When a Magnetic needle is suspended freely, it always aligns itself in the direction of magnetic north and south pole of the earth, the north pole of the needle gets attracted towards the magnetic south pole of the earth and the south gets repelled equally away from it. So two equal and opposite forces acting on the needle should cancel each other which does not happen because the:

Q. A compass needle is kept in the centre of a bar magnet. Which of the following is true?
(a) It will point in the north-south direction.
(b) It will align itself along the length of the magnet with its N pole towards the N pole of the magnet.
(c) It will not point in any specific direction.
(d) It will align itself along the length of the magnet with its S pole towards the N pole of the magnet.

When a South pole of a magnet is brought near the North pole of a freely suspended magnetic needle, they both will attract each other.

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