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Questions  >>  CBSE XII  >>  Physics  >>  Magnetism and matter
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What is the approximate distance upto which earth's magnetic field extends?

$\begin{array}{1 1} \text{nearly 3 times the radius of the earth} \\ \text{nearly 4 times the radius of the earth} \\ \text{nearly same as the radius of the earth} \\ \text{nearly 5 times the radius of the earth}\end{array} $

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