Answers

2016-03-02T15:53:59+05:30
Flemming's left hand rule will give u the direction of the force acting on the conductor.
The force will be maximum when the conductor is placed perpendicular the magnetic field and the force will be minimum when the conductor is placed parallel to the magnetic field

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2016-03-02T17:54:37+05:30
Direction of force is given by Fleming 's Left Hand Rule.See image here. Arrange your thumb, index finger and middle finger in such a way that thumb points up, index finger points front and middle finger towards left. Then thumb denotes direction of force, index finger direction of external magnetic field and middle finger direction of current. I couldnt post an illustration for this, as I am using my phone. Maximum force is experienced when current flow in conductor is perpendicular to magnetic field. Minimum force when current flow in conductor is parallel to field.
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