1.

(A) : Various regular polygons are formed by a constant length current carrying wire. The magnetic field at their centers increases with increase in number of turns. (R) : A magnetic dipole in a uniform magnetic field experiences a net force.

Answer»

Both 'A' and 'R' are true and 'R' is the CORRECT EXPLANATION of 'A'.
Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'
'A' is true and 'R' is false
'A' is false and 'R' is false

Answer :D


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