Assertion(A): A Magnetic Needle Free to Rotate in a Vertical Plane, Orients Itself (with its axis) Vertical at the Poles of the Earth | Bzziii

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 







Post a Comment

0 Comments