The magnetic field at point P, due to the current in the very long wire, varies with distance R according to A) R² B) R^-3 C) R^-2 D) R³ E) R^-1

Name: The magnetic field at point P, due to the current in the very long wire, varies with distance R according to A) R 2 B) R -3 C) R -2 D) R 3 E) R -1
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The Answer of The magnetic field at point P, due to the current in the very long wire, varies with distance R according to A) R² B) R^-3 C) R^-2 D) R³ E) R^-1

The Magnetic Field at Point P, Due to the Current