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In the figure, a region with constant (externally produced) magnetic field is sh

ID: 1401506 • Letter: I

Question

In the figure, a region with constant (externally produced) magnetic field is shown. A wire loop moves into the magnetic field.


Which of the following is correct? While the loop is moving into the region with the constant external magnetic field, the magnetic field inside the loop due to the induced current in the loop points ...
... up
No magnetic field is induced by the movement of the loop.
... out of the page
... left
... down
... into the page
... right

Which of the following is correct? While the loop is moving into the region with the constant external magnetic field, the magnetic force on the loop points ...
... up
There is no magnetic force acting on the loop.
... into the page
... out of the page
... down
... right
... left

Explanation / Answer

According to lenz law , when a loop is enetring into the field the magnetic flux will increase .

magnetic field due to induced current will oppose the applied magnetic field
Therefore as the applied magnetic field is into the page , induced will be out of the page.

-------------------------------------------------

as the force due to induced current and mangetic field will oppose the motion of the loop ,

The magnetic field on the loop is towards left .

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