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Solution


Q.

The process of inducing a current in a coil of wire by placing it in a region of changing magnetic field is:
1 Electrical effect  
2 Heating effect of current  
3 Magnetic effect of current  
4 Electromagnetic induction  

Ans.

(4)

The process of inducing a current in a coil of wire by placing it in a region of changing magnetic field is electromagnetic induction.