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If the earth's magnetic field has a magn...

If the earth's magnetic field has a magnitude `3.4 xx 10^(-5) T` at the magnetic equator of the earth, what would be its value at the earth's goemagnetic poles?

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The correct Answer is:
`6.8 xx 10^(-5) `T
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SL ARORA-MAGNETISM-Based on (i) Earth s Magnetism (ii) magnetic field of a bar magnet
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