Magnetism And Matter

Physics
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The magnetic lines of forces :

A
Interested each other
B
Do not intersect each other
C
Parallel to each other
D
Perpendicular to each other
Hard
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A planar coil of area 7 carrying an anti-clockwise current 2 A is placed in an extemal magnetic field , such that the normal to the plane is along the line. Select correct statements from the following .  ( Consider Normal of the coil and Magnetic moment vectors to be in  the same direction ) 

A
The potential energy of the coil in the given orientation is
B
The angle between the normal (positive) to the coil and the external magnetic field is
C
The potential energy of the coil in the given orientatlon is
D
The magnitude of magnetic moment of the coil is about 14
Hard
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Direction of current in the loop at :

A
clockwise
B
anticlockwise
C
no current will flow at that time
D
cannot be determined
Hard
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