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Solution


Q.

The direction of force acting on a current carrying conductor placed in a magnetic field can be obtained by:
1 Fleming’s left hand rule.  
2 Fleming’s right hand rule.  
3 Clock face rule.  
4 Ampere’s swimming rule.  

Ans.

(1)

The direction of force acting on a current carrying conductor placed in a magnetic field can be obtained by Fleming’s left hand rule. According to this rule, when a current-carrying conductor is placed in an external magnetic field, the conductor experiences a force perpendicular to both the field and to the direction of the current flow.