janettereed2092 janettereed2092

12-04-2024
Physics

contestada

The magnetic field at a distance r from a long wire carrying current i is 0.4. Tesla. The magnetic field at a distance 2r is:

A. 0.2 T
B. 0.1 T
C. 0.8 T
D. 1.6 T

Respuesta :

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