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Solution


Q.

Consider the following statements and choose the correct are:
1 A magnet is an object which attracts pieces of iron, Nickel and cobalt  
2 Magnetic effect of electric current means that an electric current flowing in a wire produces a magnetic field around it  
3 The end of a freely suspended magnet which points towards the north direction is called the north pole of the magnet  
4 All of the above  

Ans.

(4)

(a) A magnet is an object which attracts pieces of iron, Nickel and cobalt.
(b) Magnetic effect of electric current means that an electric current flowing in a wire produces a magnetic field around it.
(c) The end of a freely suspended magnet which points towards the north direction is called the north pole of the magnet.