Two coils A and B, each of 10 turns and radius 20 cm,are held such that coil A lies in the yerticalplane and coil B in the horizontal plane with their centrescoinciding. What current should bepassed through the coils so as to nullify the earth'smagnetic field at their common centre?Horizontal component of earth's field= 0.314 x 10-9 Tand angle of dip 26.6^° . Given tan 26.6^° 0.5.

Two coils A and B, each of 10 turns and radius 20 cm,are held such tha

1.	Two coils A and B, each of 10 turns and radius 20 cm,are held such that coil A lies in the yerticalplane and coil B in the horizontal plane with their centrescoinciding. What current should bepassed through the coils so as to nullify the earth'smagnetic field at their common centre?Horizontal component of earth's field= 0.314 x 10-9 Tand angle of dip 26.6^° . Given tan 26.6^° 0.5.
Answer» Two coils A and B, each of 10 turns and radius 20 cm,are held such that coil A lies in the yerticalplane and coil B in the horizontal plane with their centrescoinciding. What current should bepassed through the coils so as to nullify the earth'smagnetic field at their common centre?Horizontal component of earth's field= 0.314 x 10-9 Tand angle of dip 26.6^° . Given tan 26.6^° 0.5.