Which of the following relations is correct i | vedclass

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(A) In the study of Earth's magnetism,the total intensity of the Earth's magnetic field $(I)$ can be resolved into two rectangular components:$1$. The

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$I^2 = V^2 + H^2$

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(A) In the study of Earth's magnetism,the total intensity of the Earth's magnetic field $(I)$ can be resolved into two rectangular components:$1$. The horizontal component $(H)$ acting along the Earth's surface.$2$. The vertical component $(V)$ acting perpendicular to the Earth's surface.According to the Pythagorean theorem for the vector triangle formed by these components,the relationship is given by $I^2 = V^2 + H^2$,where $I$ is the resultant magnetic field intensity.

Which of the following relations is correct in the context of Earth's magnetism?

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