Given below are two statements labelled as Assertion (A) and Reason (R)
Assertion(A): A magnetic needle free to rotate in a vertical plane, orients itself (with its axis) vertical at the poles of the earth.
Reason (R): At the poles of the earth the horizontal component of earth’s magnetic field will be zero. Select the most appropriate answer from the options given below:
(i) Both A and R are true and R is the correct explanation of A
(ii) Both A and R are true but R is not the correct explanation of A.
(iii)A is true but R is false.
(iv) A is false and R is also false.
(i) Both A and R are true and R is the correct explanation of A
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