1.

A magnetic compass needle oscillates 30 times per minute at a place where the dip is 45°, and 40 times per minute where the dip is 30º. If B₁ and B₂ are respectively the total magnetic field due to the earth at the two places, then the ratio B₁/B₂ is best given by :(A) 3.6 (B) 1.8 (C) 2.2 (D) 0.7

Answer»

ANSWER:

D. will be correct answers

EXPLANATION:

MARK the answer BRAINLIESTS please



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