A square current loop is placed in a uniform magnetic field this is directed upw

Question

A square current loop is placed in a uniform magnetic field this is directed upward on the page. The current is clockwise as show in figure. How the loop rotate? The side ab of the loop move out of the page The side ab of the loop move into the page. The side ab of the loop is fixed on the plane. A square current loop is placed in a uniform magnetic field this is out of the page. The current is clockwise as show in figure. How the loop rotate? The side ab of the loop move out of the page The side ab of the loop move into the page The side ab of the loop is fixed on the plane of the page.

Explanation / Answer

Question 2)

Here the force on the left side of the loop is along leftward and the force on the right side of the loop is along rightward

but the leftward force is greater than rightward. Also the force on upward side and downward of the loop will cancel each other

so finally it has been concluded that the loop will move on the same plane along leftward

Thus option 3 is correct. (Side ab is fixed on the plane)

Question 2)

In this case the loop will rotate

option 1 is correct. (Side ab move oot of the page)

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