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cds- Question :

The direction of magnetic field at any location on the earth's surface is commonly specified in terms of

 

A :

field declination
 

B :

field inclination
 

C :

both field declination and field inclination
 

D :

horizontal component of the field
 

Answer : c
cds- Question :

The magnetic field lines inside a current carrying long solenoid are in the form of

A :

ellipse.

B :

hyperbola.

C :

parabola.

D :

parallel straight lines.

Answer : d
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