A conducting loop lies in the plane of the page and carries a counterclockwise i

Question

A conducting loop lies in the plane of the page and carries a counterclockwise induced current. Based on this evidence, which of the following statements could be true? A constant magnetic field points into the page. A constant magnetic field points out of the page. A decreasing magnetic field points into the page. A decreasing magnetic field points out of the page. An increasing magnetic field points into the page. An increasing magnetic field points out of the page. Explain your response in the space provided.

Explanation / Answer

Determine the direction of the field through the centre of the loop produced by the current ..

ie ..using the right-hand grip rule the field is directed out of the page

As the loop current is an induced current .. it is opposing the magnetic field changes that produced it .. Lenz's law
So it was caused by a field increasing in strength, directed into the page.

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