NEET UG PHYSICS MCQ: MAGNETISM AND MATTER

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At a certain place the horizontal component of the earth’s magnetic field is

{B_0}

and the angle of dip is 45

^ \circ

. The total intensity of the field at that place will be

View answer and explanation

Correct option: B

\sqrt 2

{B_0}

Option B (

\sqrt 2

{B_0}

) is correct because the total intensity is related to the horizontal component and the angle of dip by

B = \frac{B_0}{\cos{\delta}}

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