Attraction and Repulsion Between Magnets

Author:NCERT
6th CBSE
IMPORTANT

Important Questions on Attraction and Repulsion Between Magnets

HARD
IMPORTANT

Consider a magnet which is hung to the hook of a spring as shown in figure. Then what could be the possible option from the following?

Question Image

(a) X, A are north pole and Y, B are south pole

(b) X, B are north pole and Y, A are south pole

(c) A, B are south pole and X, Y are north pole

(d) X, A are south pole and Y, B are norh pole

 

HARD
IMPORTANT

Consider a magnet which is hung by the hook of a spring as shown in figure. Then what could be the possible option from the following to attain the final position shown in the figure.

Question Image

HARD
IMPORTANT

A toy car (made of soft iron) and two bar magnets are arranged as shown in the figure. What would happen if magnet 'A' moved towards the car as shown in the figure?

Question Image

 

MEDIUM
IMPORTANT

Strong bar magnets are fixed to the roofs of two toy cars C1 and C2. The north pole of the magnet on C1 points to the front of the car and the north pole of the magnet on C2 points to the back of the car. The cars are placed facing each other. What will you observe?

HARD
IMPORTANT

Study the arrangement of three bar magnets as shown in figures. Which arrangement is possible?

HARD
IMPORTANT

Two magnets are placed in a container as shown in the figure by some external force. What would happen if the force on magnet P is removed?
Question Image

HARD
IMPORTANT

Arun suspended a bar magnet on a string as shown in the diagram below. He brought 3 bar-shaped objects P,Q and R towards the bar magnet. He placed the ends ( X and Y) of each object, near the north pole of the bar magnet and recorded his observations in the table below.
Question Image

Object End X brought near to N pole End Y brought near to N pole
P N pole repelled N pole attracted
Q N pole attracted N pole repelled
R N pole remains stationary N pole remains stationary

Which of the object(s) is/are the magnet?

HARD
IMPORTANT

When Asha suspended four bars of different materials from a pole and brought the North pole of a bar magnet near part P and Q of each bar one by one as shown in the figure, the observations she recorded are as follows: 
Question Image

Bar Magnet and part P Magnet and part Q
I Repel Attract
II Nothing happened Nothing happened
III Attract Repel
IV Attract Attract

Which of the following sets correctly represents metal bars I,II,III and IV?

  Bar I Bar II Bar III Bar IV
(A) Magnet Wooden bar Magnet Iron bar
(B) Magnet Iron bar Magnet Glass bar
(C) Stainless Magnet steel bar Magnet Iron bar Magnet
(D) Magnet Iron bar Glass bar Stainless steel bar

HARD
IMPORTANT

Two bar magnets suspended by string, are separated by a piece of metal. Which of the following statements best explain the outcome shown in the diagram?
Question Image

HARD
IMPORTANT

Observe the given figure and identify the correct statements.
Question Image

(I)  Poles 1,3 and 5 are unlike poles.
(ii)  Poles 2,4 and 6 are like poles.
(iii)  Pole 1 will attract pole 3 and 5.
(iv)  Pole 4 will be attracted by pole 1.

MEDIUM
IMPORTANT

It is quite simple to find the poles of the bar magnet. The North Pole is at one end and the South Pole is at the other end. Where are the poles of the horseshoe magnet? Can you suggest a method to find its poles?

HARD
IMPORTANT

A toy car has a bar magnet laid hidden inside its body along its length. Using another magnet how will you find out which pole of the magnet is facing the front of the car?

MEDIUM
IMPORTANT

The arrangement to store two magnets is shown by figures A, B, C and D. Which one of them is the correct arrangement?

MEDIUM
IMPORTANT

Observe the pictures A and B given in figure carefully.
Question Image
Which of the following statement is correct for the above given pictures?

MEDIUM
IMPORTANT

You should always keep powerful magnets away from cassettes, mobiles, television sets, music system, CD and computers. Why?

HARD
IMPORTANT

Why are the bar magnets kept in pairs with their unlike poles on the same side?