Explain how the magnitude of the magnetic field changes when the distance from a long…

MATHEMATICS · Subjective · ISC · Physics · Magnetic Effects of Current and Magnetism · Ampere's circuital law

Problem

Explain how the magnitude of the magnetic field changes when the distance from a long straight current-carrying conductor is doubled while the current remains unchanged.

Related theory

Fields due to Currents
Algebraic Proportion
Proportion
Magnetic field due to a straight conductor
Magnetic effect of current
Inverse relationships
Inverse proportion
Direct proportion

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