Q.

A current flows in a wire, running between the S and N poles of a magnet lying horizontally as shown in the figure below:

The force on the wire due the magnet is directed.

1 From N to S  
2 From S to N  
3 Vertically downwards  
4 Vertically upwards  

Ans.

(3)

Force on conductor is calculated using Fleming's left hand rule.