AvreeanaS9272 AvreeanaS9272

09-07-2021
Physics

contestada

If you double the current in a long straight wire, the magnetic field at a fixed point will... be cut in half. triple. double. quadruple.

Respuesta :

moya1316 moya1316

13-07-2021

Answer:

the magnetic field must double

Explanation:

For this exercise we use Ampere's law

∫ B . ds = μ₀ I

Where the bold indicate vectors

With this expression we can see that if we double the current, keeping the same trajectory, the magnetic field must double

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