question_answer

Two short bar magnets P and Q are arranged such that their centres are on the X-axis and are separated by a large distance. The magnetic axes of P and Q are along X and Y axes respectively. At a point R, midway between their centres, if B is the magnitude of induction due to Q, the magnitude of total induction at R due to the both magnets is

A) 3B

B) \[\sqrt{5}B\]

C) \[\frac{\sqrt{5}}{2}B\]

D) \[B\]